20/100=x/321
20 x 321=100x
20 x 321=6420
6420/100=64.2
Answer: one answer b=-2
Step-by-step explanation: 2b+6-17=4b-7
2b-11=4b-7
2b=4b +4
-2b=4
b=-2
Answer:
you haven't put down a photo
Answer:
80%
Step-by-step explanation:
32/40 = .8
.8 = 80%
For the square its 18x12 which is 216
For tge triangle its 18x7 which is 126 divided by 2 because its a triangle so 63
216+63=279yds^2