Solve the proportion: 11/12.1= x/66 x = A. 64.9 B. 60 C. 72.6 D. 55

2 answers:

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$\dfrac{11}{12.1}=\dfrac{x}{66}\qquad\text{cross multiply}\\\\12.1x=(11)(66)\\\\12.1x=726\qquad\text{divide both sides by 12.1}\\\\x=60\\\\Answer:\ B.\ 60$

BartSMP [9]3 years ago

5 0

LMC is 66x so you have 11X5,45x/66x=x/66x then 60

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