Someone please help.

asked Mar 28, 2021 179k views

1 vote

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5 votes

Answer:

3a. 84

3b. 150

Explanation:

(3*7)+(3*21)

what is 3*7? it's 21

what is 3*21? it's 63

so 21 + 63 is the answer to the first question :D

10*(8+7)

8+7 first cause it's in parentheses

10*15 is equal to 150

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