1.

(a÷3)+(2b÷5)=13 , express b in terms of a

Answer» ONG>ANSWER:

(a÷3)+(2b÷5)=13

a÷3+2b÷5=13

a+2b÷5=13×3

a+2b÷5=36

a+2b=36×5

a+2b=180

a+b=180/2

a+b=90



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