Question

7. X could complete a piece of work in 16 hours and Y could complete the same work in 20 hours.
They worked together for 8 hours and then Y left. Find the time required by X to complete the
remaining work alone.​

Answer 1

Answer:

X will take 4 more hours to complete the remaining work

Step-by-step explanation:

mark me as brainliest Pls

(if u had given more points I would hav given u the whole explanation)

Answer 2

Answer:

21/30

Step-by-step explanation:

• x=1/16+1/20
• $lcm$
• it come 9/30