Your answer is 26.9 so u could round it up to 27
Answer:
11
220/x=100/5
(220/x)*x=(100/5)*x - we multiply both sides of the equation by x
220=20*x - we divide both sides of the equation by (20) to get x
220/20=x
11=x
x=11.
I think you meant to type
4(n)-5=7.
4n = 7 + 5
4n = 12
n = 12/4
n = 3
She'll have traveled approximately 431.07 km in 8.5 hours, also, 267.85448 miles per hour.