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egoroff_w [7]
3 years ago
8

Which expression could be used to solve this problem?

Mathematics
2 answers:
IRISSAK [1]3 years ago
8 0

Answer:

C. 3 x (20 + 15)

Step-by-step explanation:

You have to add 20 + 15 to get 45 so the 20 + 15 goes in the (). It says how much time he has practiced in 3 days so you have to multiply the things in the () by 3 so the 3 goes out side the ().

8090 [49]3 years ago
7 0

Answer:

C. 3 × (20 + 15)

Step-by-step explanation:

If Ben practices this way <em>every day</em>, then the amount of time should be the same.

20 minutes of song practice, 15 minutes of scale practice.

20+15=35

multiply the 35 minutes per day by three

35 times 3 equals 105

So the answer is C.

3 × (20 + 15)

<em>3(35)=105</em>

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