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Arturiano [62]
2 years ago
15

Find the percent of change: 30 inches to 24 inches

Mathematics
1 answer:
vlabodo [156]2 years ago
3 0
It changes every 6 inches
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Step-by-step explanation:

If x = the amount of 12% and y = the amount of 20%, then x + y = 80

Since we need 80 grams of 15%, 80(.15) = 12.

We are given that .12x + .20y = 12.

We can solve the first equation for x or y. Let's do x.

x = 80 - y

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nataly862011 [7]

Answer:

-3x + 8

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Simplify. combine like terms (terms with the same amount of variables).

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Answer:

y = 13

Step-by-step explanation:

Step 1: Distribute

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