Question

URGENT!!

A tap is dripping.
It takes 1 hour 40 minutes to fill a litre container.
a) What is the rate of flow, in litres per hour (litres/h)?
b) How long does it take for the tap to drip 100 ml of water?

Answer 1

a. 3/5 liters per hour

b .06 hours

Explanation:

Change 40 minutes to a fraction of an hour

40 minutes/ 60 minutes = 2/3 hour

It takes 1 2/3 hours to fill the container

Changing to an improper fraction

(3*1+2)/3 = 5/3 hours

We want liters per hour

1 liter per 5/3 hours

1 ÷ 5/3

Copy dot flip

1 * 3/5 = 3/5 liters per hour

Change 100 ml to liters

We know 1000 ml = 1 lt

100 ml * 1 lt/1000 ml = .1 lt

So 100 ml = .1 lts

.1 lt * 3/5 lt per hour

Changing the fraction to a decimal

.1 lt * .6 lt per hour

.06 hours