)A scanner scanned 63 photos in 9 minutes. If it scans photos at a constant rate, it can scan photos in 21 minutes.

147 photos

Step-by-step explanation:

63 photos -> 9 minutes

To find the number of photos scanned per minute, divide both sides by 9.

photos -> 1 minute

To find 21 minutes, we can do

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.