Question

Calvin had $10. When he bought 7 colored pencils and 2 notebook at $1.30 per notebook, the change was $1.10 what is the price of 1 colored pencil?​

Answer 1

$.90 or 90 cents each

Explanation:

10-2(1.30)-7(x)=1.10

10-2.6-7x=1.10

7.40-7x=1.10

7x=6.3

x=6.3/7

=.90

Answer 2

90 cents

Explanation:

7x+2(1.30)=10-1.10

7x=8.9-2.6

x=6.3/7= 0.9