Answer:
k=-8
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
The value of x is 105 when y=42
Step-by-step explanation:
A direct proportion means that the change in one quantity will also cause the change in other quantity
Given
y varies directly with x
x ∝ y
when the proportionality symbol is removed a proportionality constant is introduced

The value of x is 105 when y=42
Keywords: Proportion, Direct variation
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After two years, the motorcycle is worth $6,400.
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since there are 12 inches in a foot all you do is divide 98 by 12 you get 8 feet and 2 inches.