Bill climbs a 2-mile hill at an uphill speed of 2 Mph,
spends no time at the top,
and immediately walks down
at 6 Mph. What is his average
speed for the up and down
trip?

step-by-step explanation:

1/3 + 1/5 = 8/15.

step-by-step explanation:

hope it

2(2x + 3) = -4 + 2(2x + 5)

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 6

4x - 6 + 6 = 4x - 6 + 6

4x = 4x

x = x

unlimited solutions.

3100

step-by-step explanation: