if a:b=2:3 then (6a + 7b) : (9a+8b) equals..?
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Step-by-step explanation:
a÷b=2÷3
□a=2b÷3
□Now substitute the value of a in given question
□6×2b÷3+7b=4b+7b= 11b
□9×2b÷3+8b=6b+8b= 14b
□(6a+7b) ÷ (9a+8b) = 11b÷14b=11÷14
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