Home
Class 12
MATHS
Alejandro, working alone, can build a do...

Alejandro, working alone, can build a doghouse in 4 hours. Betty can build the same doghouse in 3 hours. If Betty and Carmelo, working together, can build the doghouse twice as fast as Alejandro can alone, how long would it take Carmelo, working alone, to build the doghouse?

Text Solution

Verified by Experts

The correct Answer is:
6 hours
Promotional Banner

Similar Questions

Explore conceptually related problems

If 7 workers can assemble a car in 8 hours, how long would it take 12 workers to assemble the same car?

If 15 workers can build a wall in 48 hours, how many workers will berequired to do the same work in 30 hours?

Four workers can build a house in 9 days. How many days would it takes 3 workers to build the same house?

If x people working together at the same rate can complete a job in h hours, what part of the same job can one person working alone complete in k hours?

If 56 workers can build a wall in 180 hours, how many workers will be required to do the same work in 70 hours ?

If Johnny can mow the lawn in 30 minutes and with the help of his brother, Bobby, they can mow the lawn 20 minutes, how long would it take Bobby working along to mow the lawn?

A and B together can do a piece of work in 6(2)/(3) days, but B along can do it in 10 days. How long will A take to do it alone ?

2 men and 7 boys can do a piece of work in 4 days. The same work is done in 3 days by 4 men and 4 boys. How long would it take one man and one boy to do it?

2 men and 7 boys can do a piece of work in 4 days. The same work is done in 3 days by 4 men and 4 boys. How long would it take one man and one boy to do it?

A and B working together can mow a field in 56 days and with the help of C , they could have mowed it in 42 days. How long would C take to mow the field by himself ?