Question

The Kims are hosting a catered dinner. The cost for 3 servings is $18. The cost for 10 servings is $60. What is the cost per serving?(1 point)

Answer 1

Find the unit rate (slope): (60 − 18) ÷ (10 − 3) = 42 ÷ 7 = 6.
So the cost is $6 per serving.