Julie bought a drink for $2.99, two bags of chips for $1.29 each, and some gasoline at a convenience store. The price of gasoline was $2.09 per gallon.

If x represents the number of gallons of gasoline she purchased, which of the following equations can be used to find how much Julie spent at the convenience store?
A. y = 2.09x + 4.28
B. y = 2.09x + 5.57
C. y = 4.28x + 2.09
D. y = 5.57x + 2.

Question

Julie bought a drink for $2.99, two bags of chips for $1.29 each, and some gasoline at a convenience store. The price of gasoline was $2.09 per gallon.

If x represents the number of gallons of gasoline she purchased, which of the following equations can be used to find how much Julie spent at the convenience store?
	A. 	y = 2.09x + 4.28
	B. 	y = 2.09x + 5.57
	C. 	y = 4.28x + 2.09
	D. 	y = 5.57x + 2.

lucaz · Answer

you know the total cost of the drink and bags of chips = 2.99+2*1.29
the price of is2.09 per gallon, so 2.09*x

radar · Answer

This is what she spent:
Drink ---- $2.99
Chips  2 bags at $1.29 ea.   -----$2.58
gasoline at $2.09 per gal.  How many gal. ?  It wasn't given so assign x for the no. gallons or $2.09x
y is the amount she spent.
So y would equal the sum of drink, chip and gasoline cost.
y = 2.09x + 5.57

radar · Answer

Do you agree?