Question

At the grocery store, 1 pound of grapes cost $3.50. At this rate, how much would 3 pounds cost?

Answer 1

10.5

Explanation:

3.50 x 3

Answer 2

10.50

Explanation:

We can use a ratio to solve

1 lb 3 lbs

---------- = --------

3.50 x dollars

Using cross products

1*x = 3*3.50

x =10.50