Question

A is thrice as efficient as b and is therefore able to finish a piece of work 10 days earlier than b in how many days a and b will finish it together

Answer 1

Step-by-step explanation:Answer:

Explanation:

WC = 3:1

WT = 1:3

x                   3x

1/x – 1/3x = 1/10

x = 20/3

3/20 + 1/20 Explanation:

WC = 3:1

WT = 1:3

x                   3x

1/x – 1/3x = 1/10

x = 20/3

3/20 + 1/20 =5(ans)