Question

WILL GIVE MEDAL AND FAN PLEASE HELP ME
Jordan is a manager of a car dealership. He has two professional car washers, Matthew and Arianna, to clean the entire lot of cars. Matthew can wash all the cars in 14 hours. Arianna can wash all the cars in 11 hours. Jordan wants to know how long it will take them to wash all the cars in the lot if they work together.

Write an equation and solve for the time it will take Matthew and Arianna to wash all the cars together. Explain each step.

Answer 1

@dan815

Answer 2

please help me i don't understand the question can u please help me @dan815

Answer 3

please anyone help me please @pooja195

Answer 4

please help me @Michele_Laino

Answer 5

antone please help @undeadknight26

Answer 6

PLEASE HELP @pooja195

Answer 7

I will help you with this if you help me with some of mine :)

Answer 8

ok

Answer 9

okay just a sec let me work it out

Answer 10

Use the product over sum:
(11*14)/25
154/25=6.16
6 hrs & 9.6 minutes
6 hrs, 9 minutes and 36 seconds.

Answer 11

There working together is computed like connecting resistors in parallel.

Answer 12

ohhh ok thank you don't worry @KayBell14 ill still help you

Answer 13

thank you @ radar

Answer 14

Omg thank you so much! I was working the problem out too >.< uff Im sorry

Answer 15

i think i get it

Answer 16

To get their work rate, Ariana can get 1/11 of the work done in one hour
Matthew can get 1/14 of the work done in one hour.
working together the fraction of the job that would get done is 1/Ttotal = 1/11 +1/14