Question

HELP:::Eric has been donating books he no longer needs to his local library. After 3 months of donating, he had 157 books left in his room. After 8 months of donating, he had 102 books left in his room. How many books per month did Eric donate on average between months 3 and 8?

Answer 1

5x?

Answer 2

Correct.
How many books at 8 & 5 months?

Answer 3

13?

Answer 4

After three months of donating he had _____ books left.
After eight months of donating he had _____ books left.

Answer 5

Hello?

Answer 6

i'm confused..

Answer 7

so, how many did he donate between the 3rd month and the 8th month?

Answer 8

ummm

Answer 9

I made an error earlier.
\((8−3)x=(Books~ at~ 3~ months)−(Books~ at~ 8~ months)\)

Answer 10

-5

Answer 11

x

Answer 12

8-3=?

Answer 13

5

Answer 14

Correct, so we have 5x=....

Answer 15

-5

Answer 16

-1??

Answer 17

No, slow down.

Answer 18

Left side of the equation is 5x.

Answer 19

5x=(Books at 3 months)−(Books at 8 months)