3 years ago

When x = 12,y = 8 find x when y = 12

1 answer:

7 0

$x=12\ \ and\ \ y=8\\\
x=?\ \ \ and\ \ y=12\\\\ Making\ ratio:\\\\
12-8\\x-12\\\\
Cross\ multiplication:\\\\
12*12=8x\\\\
144=8x\ \ \ | divide\ by\ 8\\\\x=18\\\\For\ y=12\ x=18.$

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