Just divide 300 by 450, to get 0.66667, which can be expressed as a fraction by 2/3
By substitution is how to solve
2x-3y=21
y=3-x
2x-3(3-x)=21
2x-9+3x=21
5x=30
x= 6
now substitute our x value into y=3-x
so we get
y=3-6 = -3
so x=6 and y=-3 hope this helps!!!!! Thank you!
Answer:
Umm.. thanks so much
Step-by-step explanation:
15.5 15.5 x 2 = 31. hope this helps
Answer:
1
Step-by-step explanation:
