Asked by Anonymous

A student makes a $8.75 purchase at the bookstore with a $20 bill. The store has no bills and gives the change in quarters and fifty cent pieces. There are 30 coins in all. Hoe many quarters are there? How many fifty-cent pieces
Answered by bobpursley
30=q+f
.25q+.5f=(20-8.75)

solve for q, f
Answered by Elaine Vance
Find the product
could you check to see if I am right
(2x+3)(5x-4)=10x-12=x=22
(3a-4b)(3a+4b)=9a-16b
could you check these for me. thank
Answered by Elaine Vance
(2x+3)(5x-4)=
10x-12=
-2

(3a-4b)(3a+4b)=
9a-16b

Could someone check these problem for me, please
Answered by Elaine Vance
could someone check these problem please
Answered by Elaine Vance
What is the v olume of a box whose length is 12-2x, width is 7-2x and height is x?

help me
Answered by 99
30