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algol13
2 years ago
13

Andrea doubles as a professional pianist and a dedicated mother. She modeled a few relationships.

Mathematics
1 answer:
kotykmax [81]2 years ago
5 0

Answer:

S(B(r))

Step-by-step explanation:

B = sleep hour

S = practice hour

S(B(r))

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Step-by-step explanation:

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Given : The cost price of each t-shirt = $1.50

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