Question

The greatest safe load for a lift is 14 men,
each weighing 80 kg. How many people, each weighing
70 kg can it lake safely?​

Answer 1

The greatest safe load for a lift is 14 men,

each weighing 80 kg.

So, it is the greatest safe load for the lift.

So, the total of the people of 70kg must be equal to the total weight of 14 men each weighing 80kg.

Let the number be x.

According to condition,

70x = 14×80

or, 70x = 1120

or, x = 1120/70

or, x = 16

Hence, 16 people, each weighing 70 kg, can it lake safely.