Question

Six cell phones weigh 46.2 ounces. Fourteen cell phones weigh 107.8 ounces. What is the unit rate or constant of proportionality?

Answer 1

Well first we must see if they are proportional.

46.2/6 = 10.7.8/14

7.7 = 7.7

They are proportional. The rate of proportion is 7.7 ounces per cellphone. Hope this helps!

Explanation: