Answer:
337.5 or 337½
Explanation:
y∞x
y=kx(where k is the constant)
75=½k
cross multiplication
75×2=k
150=k
therefore the formula connecting x,k and y is y=150x
y=150×2¼
y=150×9/4
y=1350÷4
y=337.5or 337½
B
X is about 4.5 times the amount given, so B. 337 1/2
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