Answer:The graph of a proportional relationship is a straight line that passes through the origin. Proportional quantities can be described by the equation y = kx, where k is a constant ratio. You can tell that the relationship is directly proportional by looking at the graph.
Step-by-step explanation:
It decreased $7 in the last 2 days
Answer:
C is the answer n is the current amount your just taking way 15
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Step-by-step explanation:
500=140+40h
minus 140 both sides
360=40h
divide y 40
9=h
9 hours
so you have your two equations 3x+7=5x-23 and solve for x which is your "number" leaving the answer to be <u>x=15</u>
