Sub
b=3a so put 3a for every b
c=5a so put 5a for every c
a+3a+5a=180
9a=180
divide 9 both sides
a=20
b=3a
b=3(20)
b=60
Answer:
3/4 cups
Step-by-step explanation:
10 people = 1 1/2 cups
Changing to a mixed number
10 people = 3/2 cups
Divide by 2
10/2 people = 3/2*1/2
5 people = 3/4 cups
Triangle MNP is isosceles. Find the area of triangle MNP.
Answer:
I am pretty sure it is B
Step-by-step explanation:
1169 sq.rt.=34.190642
34.190642 times 4 =136.7
round to 137
