Joe's workout at the gym was a total of 90 minutes. if he spent 1/3 of the time lifting weights, how much time did he have left to run on the treadmill?

60 minutes, or 1 hour.

Step-by-step explanation:

90 minutes ÷ 3 = 30 minutes, so 30 minutes equals 1 third of the total time he spent at the gym, and he lifted weights for 30 minutes. The remaining 2 thirds, 60 minutes, is the time he spent on the treadmill.

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

cut 138 centimeters off

step-by-step explanation:

250-112 = 138