400-3x=112
3x=400-112=288
x=96
He is 96 years old.
Answer:
7048/637
Step-by-step explanation:
10 8/13 + 4 24/49
138/13 + 220/49
taking LCM
(138*49 + 220*13) / (13*49)
7048 / 637
The awnser is 145
(50 divided 2) = 25
5 to the power of 3= 125
-5
=145
In About 13 days the water in the tank will hit 6000 gallons