Ask a New Question

Question

A takes twice as much time as b and thrice as much time as c to finish a piece of work. Working together they can finish it in 2 days. A can do the work alone in. ??
8 years ago

Answers

Steve
If
A takes a days,
B takes b days, b = a/2
C takes c days, c = a/3

1/a + 1/b + 1/c = 1/2
1/a + 2/a + 3/a = 1/2
6/a = 1/2
a = 12
8 years ago

Related Questions

The time (sec) that it takes a librarian to locate an entry in a file of records on checked-out book... 1. The time t that it takes for a salesman to drive a certain distance d varies inversely as the ave... Is the time it takes to run a 100-meter race a function of the speed you run? The time it takes you to go 12 miles upstream is 5/4 the time it takes you to go 14 miles downstream... The time it takes you to get to campus varies inversely as your driving rate. Driving at a rate of... The time Mo takes to mow the lawn is between 45 minutes and 75 minutes, inclusive. Does this statem... Is the time it takes you to run a 100-meter race a function of the speed you run? Explain. What is the time it takes for an owl to descend 30 feet? What is the time it takes for two cyclists traveling at 25 km/h and 18 km/h to meet if they start 24... What is the time it takes for a missile to reach the ground if it is released horizontally from a 30...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use