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Phoenix [80]
3 years ago
8

title=" \frac{x}{2} + \frac{6}{x } = 4" alt=" \frac{x}{2} + \frac{6}{x } = 4" align="absmiddle" class="latex-formula">
using quadratic equation....help me if you can​
Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
6 0
Multiply all terms by x

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Let Jeremy's age be x
if Jeremy's grandfather is four times as old as he is,grandfather's age is 4x
if the sum of their ages is 90, we have
x%2B4x=90
5x=90
x=90%2F5
x=18->Jeremy's age
Jeremy's grandfather will be 4x=4%2A18=72
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