Answer:
Step-by-step explanation:
Set up a proportion.
3/25 = x / 20 Notice that both times are in the denominators. Be sure you always set up a proportion that way. Like units in the denominator. Like units in the numerator.
Cross multiply
3 * 20 = 25 * x Combine
60 = 25x Divide by 25
60/25 = x
x = 2.4 miles in 20 minutes.
Answer:

Step-by-step explanation:
(a + b) * (
) =
= 
Answer:
45
Step-by-step explanation:
90+2x=180
2x=180-90
2x=90
x=90/2
x=45
Answer:
5.25 hours
Step-by-step explanation:
One week = 7 days
7 x 0.75 = 5.25 Hours
Hope this helps, mark as brainliest :)
Answer:
#1 -6
#2 14
Step-by-step explanation:
#1 You would put 5x and then you would subtract it by 3 then you multiply it by 3×2 and your answer will be -6
#2 You would add 2 add 7 add 8 and then you would subtract 1 and subtract 2.and your answer 14