Question

A fish swims at 10ft below sea level, and then swims another 10 ft deeper to avoid a shark. Write an addition expression that represents this situation

Answer 1

(-10)+(-10)=-20 or -10-10=-20

Explanation:

(-10)+(-10)=-20

plus and minus change to ngative so another way to write the equation above is:

-10-10=-20

i used negatives because the fish was below sea level

Answer 2

0+10=10+10=20

20ft

Explanation:

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