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1 vote
Solve the proportion.
14
y +9
-
10
15
y = [?]

1 Answer

7 votes

Answer:

y=12

Explanation:

14 10

----- = --------

y+9 15

Using cross products

14*15 = 10 (y+9)

210 = 10(y+9)

Divide by 10

210/10 = 10(y+9)/10

21 = y+9

Subtract 9

21-9 = y

12 =y

User MrMAG
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