Tom counted the number of cards in his collection for 10 weeks by week 5 he had collected 12 cards this graph shows this information how many weeks did it take to have 15 cards collected

The correct answer is 8 weeks, because on the chart, where you see cards collected, as you move from 15, and get to the dot then move from the dot, you see 8, so 8 weeks.

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.