Matthew made a fruit salad in which the ratio of blueberries to red grapes is 8:6 if Matthew use 28 blueberries how many red grapes did he use

21 red grapes

Step-by-step explanation:

B:G

8:6

28:x

28/8=3.5

therefore 6*3.5 = x

The answer is 21

Step-by-step explanation:

If you do 28/8 you get 3.5. So he used 3 1/2 blueberries. Then you have to times 6 by 3.5 to get 21. Put it back into ratio form and you get 28:21

Hope this helps!

43

step-by-step explanation:

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11