Bob lays 200 bricks in 1 hour. How long would it take Bob to lay 960 bricks?

Question

4848 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-07-27T03:50:14

Bob will take #4# hours and #48# minutes to lay #960# bricks

As Bob lays #200# bricks in one hour

For #1# brick, it would take #1/200# hours

For #960# bricks, it would take #1/200xx960# hours

= #1/(5cancel(200))xx24cancel(960)=24/5# hours

= #(20+4)/5# hours

= #20/5+4/5=4 4/5# hours

As #4/5# hour are equal to #4/5xx60=48# minutes

Bob will take #4# hours and #48# minutes to lay #960# bricks