2 workers a and b are engaged to do a work. A working alone in 8 hours more to complete the job. Than if both worked together. If b worked alone he would need 9/2 hours more to complete the job than they both working together. What time would they take to do the work together

2 workers a and b are engaged to do a work. A working alone in 8 hours

1.	2 workers a and b are engaged to do a work. A working alone in 8 hours more to complete the job. Than if both worked together. If b worked alone he would need 9/2 hours more to complete the job than they both working together. What time would they take to do the work together
Answer» Let both are COMPLETE the WORK in x hour. so, A complete the work in X+8 hour B complete the work in X+9/2 hour 1/(X+8) + 1/(X+9/2) = 1/X solve the equetion =2X^2=72 X^2=36 X=6. so both can complete the work TOGETHER in 6 days.

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2 workers a and b are engaged to do a work. A working alone in 8 hours more to complete the job. Than if both worked together. If b worked alone he would need 9/2 hours more to complete the job than they both working together. What time would they take to do the work together

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