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Shalnov [3]
3 years ago
15

keisha weighs 100 pounds and gains 5 pounds per month. kyra weighs 130 and loses 2 pounds per month. after how many months will

they weigh the same weight
Mathematics
1 answer:
stira [4]3 years ago
4 0

Answer:?

Step-by-step explanation:

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\begin{array}{l}{y \alpha x} \\\\ {y=c x \rightarrow(1)}\end{array}

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\begin{array}{l}{\text { Now, substitute } x=8 \text { and } y=6 \text { in }(1)} \\\\ {\rightarrow 8=c(6) \rightarrow c=\frac{8}{6}} \\\\ {\rightarrow c=\frac{4}{3}} \\\\ {\text { Then, }(1) \rightarrow x=\frac{4}{3} y} \\\\ {\text { So, when } y=9} \\\\ {\rightarrow x=\frac{4}{3}(9)} \\\\ {\rightarrow x=4 \times 3} \\\\ {\rightarrow x=12}\end{array}

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