Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river. (show work)

3 miles per hour

Step-by-step explanation:

Let x miles per hour be the current of the river.

1. The boat travels 2.4 miles downstream with the speed of (21+x) miles per hour. It takes him

2. The boat travels 1.8 miles upstream with the speed of (21-x) miles per hour. It takes him

3. The time is the same, so

Cross multiply:

Multiply it by 10:

Divide it by 6:

b

step-by-step explanation:

the total is 23.97. 0.25% is off so you have to subtracting 25% from 100% and you will get 75% if you convert it to decimal you will get 0.75. you have to find the original because the formula is % times original = total.so you have the total and the % so you just have to plug it in.

won't that be plagrisim thought?

step-by-step explanation: