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Stells [14]
4 years ago
15

Caleb practices piano 20 minutes per day, and he practices guitar 30 minutes per day. Which expression represents the number of

minutes Caleb spends practicing instruments after d days? Select each correct answer.
Mathematics
2 answers:
pav-90 [236]4 years ago
5 0

20d + 30d = 50d

Hope this helps. - M
Soloha48 [4]4 years ago
3 0

Answer:

20d + 30d = 50d

Step-by-step explanation:

We know the variable d represents the number of days.

He practices piano 20 minutes per day; this gives us the expression 20d.

He practices guitar 30 minutes per day; this gives us the expression 30d.

Together, this gives us

20d + 30d; combining like terms gives us

50d.

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