Professor in college asked us this question. And his wife teaches 5th grade

Professor in college asked us this question. And his wife teaches 5th grade

Karla has a collections of nickels dimes and quarters that amount to $10 dollars. If there are 140 coins and twice as many dimes as quarters find the number of nickels

need step by step so I can learn to do it myself. Thanks

I am providing a "decision tree" for my website developer - as he builds a "calculator" on our site. If there are 3 questions, with these number of possible answers for each question...

(2,3) x + y = -1 4x + 5y = 16

can you please show me how to do this problem

if 3 is added to a number and the sum is tripled, the result is 27 more than the number. Find the number.

I have to wrtie an equation that can be used to determine the dimensions of his yard. Please help, I’m desperately stuck on this one.

Algebra formula and answer

The sum of three number is 12. the sum of twice the first number , 5 times the second number , & 6 times the third number is 64. The difference between 4 times the first number and the second...

Say if I would write out an equation such as '10 + WRITE = 0, find WRITE' is it possible to use a word as a variable instead of a letter? So WRITE is not broken down into 5 separate variables...

Please double check my work and help me understand anything I did wrong if answer incorrect. This is what I got: 1800 Use the formula for future value, A = P(1 + rt), and elementary algebra...

A bookcase is to be constructed as shown in the figure. The length is to be 2 times the height. If 55 feet of lumber is available for the entire unit, find the length and height of the bookcase. (...

A car decelerates at a constant rate as it approaches a red light. The velocity of the car in meters per second as it decelerates is modeled by the function f(x)=−4x+20, where x is time in seconds...

Area of a triangle is x^2+3x-40 and the base is x-5 what is the height

if a trapezoid plus circle equals a triangle then a triangle minus trapezoid equals what and and how

Farmer Ed has 800 meters of fencing, and wants to enclose a rectangular plot that borders on a river. If Farmer Ed does not fence the side along the river, find the length and width of the plot that...

Beyonce has $222 in her piggy bank she has $10 a week to her savings Jay-Z has 149 in his piggy bank and it's $12 a week savings how many weeks will it take for Jay-Z and Beyonce's have the same amount...

the contianer that holds the water for the football team is 1/2 full. after pouring in 5 gallons of water, it is 7/10 fuill. how many gallons can the container hold?

Not sure how to simplify this.