Question

Mike bought a soft drink for 2 dollars and 7 candy bars. He spent a total of 23 dollars. How much did each candy bar cost? Write an equation and solve

Answer 1

21 divided by 7 is 3 so each candy bar equals 3 dollars

Answer 2

each candy bar costs $3. you need to set up an equation...


`2 + 7x = 23 \\ 7x = 23 - 2 = 21 \\ 7x = 21 \\ x = 3`