1. If x1= 13, y1= 3, x2. y2= ?, When x and y vary inversely
2. A train travels 100 km in 1 hour with a certain speed. How many kilometres it will travel in 4 hours with the same speed?
2. A train travels 100 km in 1 hour with a certain speed. How many kilometres it will travel in 4 hours with the same speed?
Answers & Comments
Answer:
2.400km
Step-by-step explanation:
1 hr=100km
4hr=4*100
=400km
Verified answer
Answer:
39
Step-by-step explanation:
1 Answers x=1/y
X1/X2=. y2/y1
x1.y1= y2.x2
13.3= y2.x2
y2.x2= 39