German High School

If it takes Laine 3 hours to wash the windows of one house, Leslie 4 hours to wash the same windows, and Lance 5 hours to wash the same windows, how long would it take them all working together to wash the windows on THREE houses? 3.8 hours 2.6 hours 5 hours 0.08 hours

Answers

Answer 1

3.8 hours but I am not sure

Answer 2

The time taken to take them all working together to wash the windows on three houses is D. 0.8 hours.

How to calculate the time?

The time taken by both of them will be:

1/4 + 1/5 + 1/3= x

15/60 + 13/60 + 20/60

48/60 = x

Cross multiply

48x = 60

x = 48/60

x = 0.8 hours.

Learn more about time on:

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Related Questions

what is the number of the currently Nazi population in the world?

Answers

Answer:

very few

Explanation:

there are alot of world war II veterans that are still alive in the U.S. and since Nazi soldeirs got mowed down alot, the percentage of nazi world war II veterans are relatively low, so the only survivors from germany nazi soldiers would have either be dieing from old age to this day, or most have alreayd been killed off

Answer:   98% have died so 2% of them is left

Explanation:

Câu 29. Trong các hàm số sau, hàm số nào là hàm số chẵn? A. 2cos sin 2 . 2 y x x B. sin sin . 4 4 y x x C. 2 sin sin . 4 y x x D. y x

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Answer:

yes

Explanation:

que tema aborda el poema de "Revelaciones" de Alejandra Pizarnik​

Answers

Explanation:

esto no es alemán, es español

put this sentence in the correct order

“ein Buch Wohnzimmer Im Winter lese ich im”

Answers

Explanation:

ich lese im winter ein buch im wohnzimmer

im winter lese ich ein buch im wohnzimmer

State and explain briefly 3 agent of food spoilage​

Answers

Answer:agents of spoilage

time:when food is kept for a long time food gets spoiledas germs start to growing on itbacteria:bacteria can cause spoilage by breaking down the food and producing acids during the processtemperature:leaving food out too long at room temperature can cause bacteria

Explanation:

Yes I do need help with German because I only know English mhm

Answers

Answer:

german

danke für die punkte die du rockst

english:

thank you for the points you rock

Hey I only know English to! We have something in common

Ich bin ein gutes Mädchen.

who can translate it in English.​

Answers

Answer:

I am a good girl.

Explanation:

i would say my horse is a good girl rather than me though ;)

Answer:

'I am a good girl'.

Explanation:

'Ich bin ein gutes Mädchen' means 'I am a good girl' as it's German. lol

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