Question

15 points question
A boat goes downstream from point A to another point B in 6 hours. It covers
the same distance from point B to point A upstream in 8 hours. If the speed of
stream be 3km/h, find the speed of the boat in still water and the distance
between points A and B.

answers are (21km/h, 144km)
but i want the steps
question 12

a99569f951fcf86f4a17eb57c7f3dca2.pdf

Answer 1

Step-by-step explanation:

• Upstream Downstream

Time 8 6

Speed 6 8

Speed of stream = (8-6)/2 = 1

1 -------- 3 km/h

So,

Speed of boat = (8+6)/2 = 7

7 -------- 21 km/h

Distance from A to B = (21-3) × 8 = (21+3) × 6 = 144 km