Question

jessica increases the temperature of a block of ice by 20. which interger represents the amount by which jessica must change the temperature for the block of ice to return to its starting temperature. ANSWERS= A= -40 B= -20 C= 20 D= 40

Answer 1

C

Explanation:

it says she increased it by 20, so if you take away the same amount that she added then it should be at the same number she started at