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Y varies directly as X. When Y is 10, X is 15. Find Y, when X is 32.

a. Can not be determined
b. When X is 32 then Y = 165
c. When X = 32 then Y is; 21 1/3
d. When X is 32 then Y = 5

• math -

y = k x
10 = k (15)
k = 10/15
so
y = 10 x/15
y = 320/15 = 64/3 = 21 1/3

• math -

?

• math -

20celsius= fahrenheit

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