Question

8. Ten friends go out for dinner. The total cost of the meals is $141. Some

friends have three-course meals and the rest have two-course meals. Each
of the three-course meals costs $15 and each of the two-course meals
costs $12. The number of people who have three-course meals is x, so the
number of people who have two-course meals is 10 - x. How many three
course meals are possible?

2 three-course meals

20 three-course meals
e

7 three-course meals

5 three-course meals

Answer 1

7 three-course meals

Explanation:

7 x 15= 105

141-105= 36

36/12= 3

7+3= 10

So total, there are 10 meals; 7 three-course and 3 two-course