Question

Math help please
Suppose it took Kiya three hours to paint a huge sign that said "I LOVE Mathematics". Brionni takes joy in painting the exact same sign in only one and half hours while it takes kiara 5 hours because she is a very careful painter. How long would it take the three painters/ mathematicians together to paint the "I LOVE Mathematics sign?

Answer 1

9.2 hours

Answer 2

how did you get that?

Answer 3

just add 3+5+1.2

Answer 4

ok thank you

Answer 5

no problem!

Answer 6

so i would just show my work as 3+5+1.2?

Answer 7

yeah i mean it says how long would it take all 3 put together so the half an hour would be put as 1.2 and then add the rest

Answer 8

ok thank you and would you mind helping me with another problem?

Answer 9

no i have time

Answer 10

ok one sec im gonna draw it