Question

Isabella has a total of 150 music cds .she love rock music and alternative music .the number of alternative music cds is three that of the rock music cds that she owns. write the two equations that represent this information .

Answer 1

The two equation that represents the information is x + y = 150

y = 3x

How to form an equation?

let

the number of rock music = x

the number of alternative music = y

Therefore,

x + y = 150

y = 3x

The two equation that represent the information are as follows:

x + y = 150

y = 3x

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