Answer:
17496
Step-by-step explanation:

first x = 24, y=3
24= k * 9
k = 24/9
now,
x= 24/9 * 81^2 = 17496
Answer:
Nancy paid 2.98 per gallon of gasoline.
Step-by-step explanation:
The price of the gasoline is given by the total amount she paid for the gasoline divided by the amount of gasoline acquired with that money. The calculations for this are shown below:
ratio = total money / total gasoline
ratio = 10.43 / 3.5
ratio = 2.98 money / gallon
Nancy paid 2.98 per gallon of gasoline.
4 because you multiplied the 5 by 2 to get to the 10, so you have to do that to the 2. 2x2=4