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04-02-2019
Mathematics

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A DJ has a total of 1075 dance and rock songs on her system. The dance selection is 4 times the size of the rock selection. Write a system of equations to represent the situation.

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mathecoach mathecoach

04-02-2019

Answer:

Write a system of equations to represent the situation.

d: Number of dance songs

r: Number of rock songs

d + r = 1075

d = 4 * r

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