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"C. In each of the following, y varies directly as x. Find the values indicated. 1. If y=18 when x=6, find y when x=9?2. If y=30 when x=15

"C. In each of the following, y varies directly as x. Find the values indicated. 1. If y=18 when x=6, find y when x=9?2. If y=30 when x=15, find x when y=42?3. If y=84 when x=14, find x when y=120?4. If y=12.5 when x=1.25, find y when x=3?5. If y=9 when x=12, find y when x=16?"

Asked by: Guest | Views: 25
Total answers/comments: 1
Guest [Entry]

"1.
18=K6
K=3
Y=(9)(3)
Y=27

2.
30=K(15)
K=2
42=(2)X
X=21

3.
84=K14
K=6
120=6X
X=20

4.
12.5=K 1.25
K=10
Y=(10)(3)
Y=30

5.
9=K(12)
K=3/4
Y=(3/4)(16)
Y=12"