138 Answered Questions for the topic 7th Grade Math

#### What is the total number of pencils that the students brought to class?

Five-sixths of the 24 students in a math class each brought one pencil to class. The rest of the students each brought two pencils. What is the total number of pencils that the students brought to...
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7th Grade Math

10/19/15

#### Ratio word problem

In 2000,the national radio of students to computers with internet access in public schools was 7:1.Winston school has 623 students.If the school had a lower ratio ,how many computers with internet...
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7th Grade Math

09/09/15

#### round to the highest place value then divide: 383/124 show your work

Estimating quotients.
Example 41297/5
Look at the two highest digits in the dividend, 41. this cannot be evenly divided by 5 so round to the closest compatible number, 40
40 / 5 =...
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#### If 2 1/2 dozen donuts costs $8.00 how much would 1 dozen cost. Using equivalent ratios.

This is a seventh grade math question from a worksheet on Unit Rates with Fraction. The instructions on the worksheet are not helping to explain and I've had no luck online. The entire problem is;...
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7th Grade Math

08/27/15

#### How do I solve this question?

Jason had these scores on six math quizzes: 79, 80, 85, 70, 100, and 75. Sean's scores on the first five quizzes were 80, 83,75,95, and 76. What score does Sean need on his sixth quiz to give him...
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7th Grade Math

04/20/15

#### if 2 is added to a number and the sum is tripled the result is 20 more then the number. whats the number?

if 2 is added to a number and the sum is tripled the result is 20 more then the number. whats the number?
so i dont get how would you get to the number

7th Grade Math Math Word Problem

04/12/15

#### math word problem... need help!!!!

a school had to buy 16 new science books and it ended up costing 305.92 total. write an equation that can be used to express the relationship between the total cost(t) and the number of books(b)...
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7th Grade Math

03/16/15

#### what is the length and width of a window with a perimeter of 25 and a area of 36

This is a rectangular window, so do I use a rectangular formula for area or perimeter or no? That's why I asking a tutor because I not really sure what to do on this problem. If you could be very...
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7th Grade Math

02/23/15

#### Zoey inflated 24 balloons. If Zoey inflated 15% of the balloons that are inflated, how many balloons are there in total?

Zoey inflated 24 balloons. If Zoey inflated 15% of the balloons that are inflated, how many balloons are there in total?

#### If y=-8 when x=-3, find x when y=6.

Please answer and show steps, this kind of math is called, direct and inverse variation. Thank you.
Variation is direct

7th Grade Math

02/10/15

#### First part: In Union County, Florida, the 1990 census listed the population at 10,252.

Second part: The 2000 census listed the population as 13,442. What percent increase is this to the nearest tenth of a percent

7th Grade Math

02/03/15

#### Steo by Step

Last year, a college's tuition was $45,000. This year, the tuition increased by 4%. Find this year's tuition by using a percent greater than 100.

7th Grade Math

02/03/15

#### Step by Ste

A jewelry salesperson earns 5 2/5% commission on all sales. Today she sold $6,250 in jewelry. What is her total commission earned?

7th Grade Math

02/03/15

#### Help Step by step

Six roommates buy a sofa for $650. If each roommate pays 16% of the price, will their total ammount be equal to the price of the sofa? If not, by what percent will their total differ from the price

01/28/15

#### What is 24% of 300?

Please explan steps and give answer. Please make it easy to understnd..

7th Grade Math Math Help

01/21/15

#### Step by Step!

Rhonda deposits $500 into an account that earns 5% intrest compound annually. Susan deposits the same ammount into an account that earns 5% simple intrest. Compare the account balences after 2...
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01/21/15

#### Step by Step!

Monica deposits $300 into a savings account that has a simple intrest rate of 3.4%. Paul deposits $400 into a savings account that has a simple intrest rate of 2.8%. Who earned more in intrest in...
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7th Grade Math Math Help

01/21/15

#### Step By Step!

If the simple intrest on $2,000 for 4 years is $400, then what is the intrest rate?

01/21/15

#### 7th Grade math. Step by Step

A student answers 90% of the questions on a math exam correctly. If she answers 27 questions correctly, how many questions are on the exam?

7th Grade Math

01/21/15

#### Part, percent, or whole

Dan is watching the birds in his backyard. He figures out that 2, or 25%, of the birds are robins. Does Dan need to find the part, whole, or percent?

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