Question

Brian and Ron went to TGI Friday’s for dinner. After adding a 20% tip, they paid a total of $42. What was the cost of the meal before they added the tip?

Answer 1

42 is the final price

Answer 2

x is the price before tip

Answer 3

we know that the tip was 20% of x or (0.2)x

Answer 4

we also know that x + 20% of x equals 42

Answer 5

that gives us our equation: x+0.2x=42 or 1.0x + 0.2x = 42 which is the same as: 1.2x = 42

Answer 6

now solve for x

Answer 7

35

Answer 8

thank you!