0.10r + 0.20b = 24
3r = b + 20....b = 3r - 20

0.10r + 0.20(3r - 20) = 24
0.10r + 0.60r - 4 = 24
0.70r = 24 + 4
0.70r = 28
r = 28/0.70
r = 40 <=== there are 40 reds

0.10r + 0.20b = 24
0.10(40) + 0.20b = 24
4 + 0.20b = 24
0.20b = 24 - 4
0.20b = 20
b = 20/0.20
b = 100 <=== there are 100 blues

5 0

3 years ago

A garden in the shape of trapezoid has an area of 44.4 square meters. One base is 4.3 meters long and the other base is 10.5 met

mamaluj [8]

Answer:

22.5 1/2

Step-by-step explanation:

4 0

4 years ago

How do I apply the rule of four to this?

crimeas [40]

Answer:

Step-by-step explanation:

7 0

3 years ago