Question

Two car washers, Michelle and Nancy, are working on your car. Michelle can complete the work in 6 hours, while Nancy can complete the work in 3 hours. How many hours does the car washing take if they work together?

Answer 1

and "Dominique can ice cupcakes twice as fast as Houston. When they work together, Dominique and Houston can ice a large order of cupcakes in 5 hours. How many hours would it take Houston to ice them by himself?"

Answer 2

1/6 + 1/3? for the first one?

Answer 3

yes that's 1/2 job done in 1 hour, so it'll take 2 hours to complete the job

Answer 4

Oh, okay! I see that. two halves is a whole :3
what about the second one? @Ineedhelpthankyou in here now

Answer 5

lol

Answer 6

the second one doesn't come out to 2.5 like i thought (and ineedhelp thought)

Answer 7

Someone should give me a medal because I juse gave you a smiley face :D

Answer 8

hi again ineedhelpthanku xD

Answer 9

hello

Answer 10

need help anyone

Answer 11

let x = to Houston's rate, Dominique's rate will then be 2x

Answer 12

1/x + 1/2x = 3/2x

Answer 13

is dividing 2.5 by 2 the correct step? <_>

Answer 14

that's job done in ONE HOUR

Answer 15

lol no

Answer 16

in one hour instead of the five....?

Answer 17

umm i thin you guys got this soooo bye

Answer 18

yes, u then multiply 3/2x by 5 to find the TOTAL job

Answer 19

lol later bro

Answer 20

u'll get 15/2x

Answer 21

or 7.5/x

Answer 22

oh.. thanks :)

Answer 23

and since Houston can ice 1/x in 1 hour

Answer 24

it'll take him 7.5 hours to do it by himself

Answer 25

get it?

Answer 26

a little, yes

Answer 27

cool