SOLUTION: I am having trouble writing this expression. Amy has 20 quarters. Sodas cost $0.75. Write an expression for how many quarters Amy has left after buying d amount of sodas. Pleas

Question 1049271: I am having trouble writing this expression. Amy has 20 quarters. Sodas cost $0.75. Write an expression for how many quarters Amy has left after buying d amount of sodas.
Please help me write an expression.
Thank you!!!!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
I'll express everything in cents
The value of 20 quarters is:
cents
The value of sodas is:
cents
-----------------
The value in cents that Amy has left
after buying sodas is:

-----------------------
The number of quarters she has left is:

answer
--------------------
check:
suppose
Amy has left:
quarters
-------------------------
5 sodas cost:
cents
Amy had cents, so
she has left:

quarters left
OK

RELATED QUESTIONS
I am having trouble with writing an expression using associative property of addition... (answered by Earlsdon)

I am having trouble understanding how to do this problem: Write an equivalent... (answered by Earlsdon)

I am having trouble solving this rational expression. 4a/5a-10 + 3a/10a-20 Kerri (answered by MRperkins)

Hi, I am having trouble trying to write an equation for this question. Can you please (answered by stanbon)

Hello, I am working on a problem involving writing an expression for the area of the... (answered by ramkikk66)

I am having trouble with this radical expression:... (answered by Alan3354)

I have a problem that say the product ofa number and ten, less twenty. I'm having trouble (answered by checkley79)

I am having trouble with this expression... {{{3*n^2-5n+17=30}}} I am in the 7th... (answered by venugopalramana)

Hi, I am having trouble with this exercise: 11sin^2y = 13-3sin^2y for y, where 0<= y... (answered by stanbon)