Use the numbers to write related addition and subtraction sentences 6789151617

Step-by-step explanation:

7+8=15    8+7=15     15-7=8  15-8=7

9-8=1    8+1=9   9-8=1   1+8=9

17-8=9  9+8=17  8+9=17    17-9=8    

15-9=6 6+9=15   9+6=15   15-6=9

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.

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.