In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is 2/3 of the number of students of 8 years of age which is 48. What is the total number...

In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is 2/3 of the number of students of 8 years of age which is 48. What is the total number...

If the weight of a package is multiplied by 5/7 the result is 40.5 pounds. Find the weight of the package.

Penny is cutting squares of colored paper to cover a poster that is 2 (1)/(2) tall and 3 feet wide. Each colored square is (1)/(2) foot wide. What is the fewest number of colored squares Penny needs...

For his phone service, Boris pays a monthly fee of $15, and he pays an additional $0.06 per minute of use. The least he has been charged in a month is $97.50. What are the possible numbers...

Problem Page At the movie theatre, child admission is $5.10 and adult admission is $9.90 . On Monday, 160 tickets were sold for a total sales of $1132.80 ....

Linda has a rectangular cardboard of length 78 cm and perimeter 268 cm. She cuts a part of the cardboard to make a cubical box 15 cm long. What is the area of the cardboard left?

there are two alloys of gold and silver. in the first alloy there is twice as much gold as silver and in the second alloy there is 5 times less gold than silver how many times more must we take of...

The cost of an evening show is $7 .50, a matinee is $4.75. 310 tickets sold on the first day with one evening show and one matinee. Total sales are $2022.50. How many people went to the matinee, how...

Don is a lineman for a utility company and is working on a telephone pole 45 feet above the ground, replacing a transformer that was damaged during a lightning storm. Don's cable cutters fall out...

Alba wants to invest $4,500 in a savings account that pays interest compounded annually. Use the basic formula for compound interest to answer the following questions. (a) Write a formula for...

Hello, I would greatly appreciate it. If you can help me with this word problem. How many different two toppings combination pizzas can be made by using T different...

Here is my problem: "As an experiment, Santa Claus programmed three of his grandfather clocks to keep time as follows: At noon on July 1, 2007, all three clocks showed the correct time...

Each of p persons was to contribute y dollars towards a fund. If four persons failed to pay, how much should each of the others then contribute?

You are standing at -7/2 You want to move to a greater number than -3/2 Write and solve an inrequality that represents the distance you must move.

It is a 7th grade word problem for my homework just got to answer it please help me

bob pays $25 per month for cable. Cable increases to $35 per month. Bob pays $340 for a year of cable. How many months did bob pay $25 for cable?

The height in feet, h, reached by a projectile after t seconds is given by the function: h(t) = -16t^2 + 110t + 5 When will the projectile reach a height of 122 feet on its...

Sergio is in the R.O.T.C. at his local high school and needs to raise money for a trip to see the Blue Angels perform. Sergio and his fellow students decide to make and sell their version of Silly...

A salsa recipe uses green pepper, onion, and tomato in the extended ratio 1:3:9. How many cups of onion are needed to make 117 cups of salsa? A)3 B)27 C)9 D)81 I...

Write an equation to solve.

Daniel B.

Columbia U Math Student

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