It is average not algebra. Pls help. Thanks

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primary 6 Maths Algebra Singapore

It is average not algebra. Pls help. Thanks

Date Posted: 3 years ago

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Let x be the number of days he read, which had an average of 15 books read a day.

(15x + 88) / (x+4) = 17
15x + 88 = 17x + 68
2x = 20
x = 10

Total number of days = 10 + 4 = 14

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Date Posted: 3 years ago

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3 years ago

Thanks

Andrea Tan

3 years ago

Welcome!

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