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STALIN [3.7K]
3 years ago
15

12y+15=24-6y ??????????????????

Mathematics
1 answer:
lyudmila [28]3 years ago
7 0

Answer:y=1/2

Step-by-step explanation:

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Step-by-step explanation:

Given : when Nancy started middle school, she was 60 inches tall. when she started high school, she was 66 inches tall.

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Percentage change is given by the ratio of the difference in old value and new value to the old value times 100

Mathematically written as

Percentage\ change =\frac{new\ value-old\ value}{Old\ value}\times 100

For the given data,

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Percentage\ change =\frac{66-60}{60}\times 100

Simlify, we have,

Percentage\ change =\frac{6}{60}\times 100

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