You buy 6 notebooks and a backpack. The cost of the backpack is $18.70. You pay 6% in sales tax on your purchase, and your total bill is $39.22. How much does each notebook cost?

$3.05

Step-by-step explanation:

Backpack=$18.70

6 note books=x

Sales tax=6%

Total cost=$39.22

18.70+x+0.06(18.70+x)=39.22

18.70+x+1.122+0.06x=39.22

19.822+1.06x=39.22

1.06x=39.22-19.822

1.06x=19.398

x=19.398/1.06

=18.3

x=$18.3

6 books=$18.3

Each book cost=18.3/6

=$3.05

answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.

step-by-step explanation:

since we have given that

total annual rainfall a city record = 40 inches

this year, total rainfall recorded = 37.6 inches

number of inches of rainfall   is needed to match the record of 40 inches is given by

hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.

the answers are in the images, i received 100% on this assignment. hope this !