Which expression could be used to solve this problem?
2 answers:
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 ().
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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