Use a(b-c) = ab - ac
5(x-3) + 2x = 41
5x - 15 + 2x = 41
7x - 15 = 41
7x = 56
x = 8
Answer:
wut is it
Step-by-step explanation:
Answer:
Step-by-step explanation:
p=x(1-15/100)
p=x(100-15)/100
p=x(85/100)
p=0.85x
Answer:
n = 1
Step-by-step explanation:
Let t represent the # of hours required for the west-east flight.
Then (540 mph)(t) = 2700 miles, and t = 5 hours. Flying east-west should take 1 hour less, or 4 hours.
This east-west speed would be 2700 miles / 4 hours = 675 mph (answer)