Question

Peter is buying 4 calculators to donate to his class each calculator costs $9 he is also buying a $1 bottle of water for himself he thinks his total will be $37​

Answer 1

That is correct
9$ price of cal x 4 calculators = 36$ dollars
36$ dollars + 1$ price of water = 37$

Answer 2

True

Explanation:

$9 × 4 = $36

He wants a bottle of water which costs $1.

$36 + $1 = $37