Question

Kayla purchased 5 large sodas at the movie theater. Before tax was added, the total cost of the 5 sodas was equal to the cost of 3 sodas plus $7. What was the cost of one soda?

Answer 1

$3.50

Explanation:

5x=3x+7

subtract 3x to the other side

2x=7

divide by 7

convert into a decimal

$3.50

check:

3.50×5=

$17.50

3(3.50) +7.00=

$17.50