WILL MARK BRAINLIEST If Alan and Zack can clean a room in 30 minutes when working together, and Alan cleans twice as fast as Zac

Question

3 years ago

15

k, how long would it take Alan to clean the room by himself?

1 answer:

Leona [35] · Answer 1 · 2022-05-17T05:42:27+03:00

Leona [35]3 years ago

3 0

Answer:

45 min

Step-by-step explanation:

Here,

the we take the work as W and Alan's speed as A and Zack's speed as Z.

A = 2Z

W = 30 ( A+Z)

if the time for Alan to done cleaning alone is t then t = W ÷ A

t = ( 30 (A+(A÷2)))÷ A

t = 45 min

I am done .