Question

A machine wraps 375 sticks of butter in 3 minutes.
a) How many sticks of butter can it wrap in 11 minutes?
b) How much time will it take to wrap 1000 sticks of butter?​

Answer 1

Answer:

a) 1375 sticks of butter

b) 8 minutes

Step-by-step explanation:

Given :

A machine wraps 375 sticks of butter in 3 minutes.

To find :

• the number of sticks of butter it can wrap in 11 minutes
• time taken to wrap 1000 sticks of butter

Solution :

The machine wraps 375 sticks of butter in 3 minutes.

• In one minute, the machine can wrap 375/3 sticks of butter.

the machine can wrap 125 sticks of butter in one minute.

• the machine takes 1/125 minutes to wrap 1 stick of butter.

The number of sticks of butter the machine can wrap in 11 minutes :

= 11 × 125

= 1375

∴ The machine can wrap 1375 sticks of butter in 11 minutes.

The time taken by the machine to wrap 1000 sticks of butter :

= 1000 × 1/125

= 8

∴ The time taken by the machine to wrap 1000 sticks of butter is 8 minutes.