Question

a can do a piece of workbin 18 days and b can do same workbin 24 days in how manybdays can theybcomplete it if they do it together​

Answer 1

Step-by-step explanation:

A=1/18

B=1/24

A+B=1/18 +1/24

=(4+3) /72

=7/72

ie)72 /7=10.2 days