Im sure that it’s A, X = 2
If the boat travels 60 km in 8 hours, the rate it travels upstream is then 60/8 km/hr, or 15/2 km/hr. if the river is traveling against it at 4 km/hr, it subtracts from the boats max speed by 4 km/hr, and 15/2 + 4 or 23/2 km/hr is then the boats speed in still water.
The most basic way to decompose a fraction is to break it into unit fractions which is when the numerator (the top number) is 1. 5/8 is the same as the unit fraction 1/8 five times
Anything to the power of 0 equals 1
Answer:
pls I can't see any diagram anywhere
