Answer:

Step-by-step explanation:
velocity of river with respect to ground = 4 mi/h south

Velocity of swimmer with respect to river = 2 mi/h east

According to the formula of relative velocity


Where, V(S,G) be the velocity of swimmer with respect to ground, it is true velocity of swimmer.

Answer:
Step-by-step explanation:
The solution is attached
Step-by-step explanation:
If there 5% is allowed in Rs 1,580 than the selling price of the watch is 1,501
Answer:
integer
Step-by-step explanation:
the slope looks like it's 4/1 when simplified it's 4. (integer)