Pls help me for qs 18 (a) and (b).Thanks.

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primary 5 Maths

Pls help me for qs 18 (a) and (b).Thanks.

Date Posted: 7 years ago

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Take note that we're finding Selena's number of clips at first. Answer shown uses the method of substitution of equations.

Date Posted: 7 years ago

Shivani

7 years ago

Thanks.but i don't understand the steps for
(b).could you explain.