ratio of and b alloy is 7:8 if the weight of b=9.6 find the weight of a in the alloy
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7/8 = a/ 9.6
8a= 7 × 9.6
a = 7× 9.6 /8
a = 7 × 1.2
a = 8.4
8a= 7 × 9.6
a = 7× 9.6 /8
a = 7 × 1.2
a = 8.4
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