Your sister can clean the entire house in 3 hours. However, your brother takes 5 hours to clean the house. Determine how long it would take for them to clean the house together.

it would open into a square depending on the type of envelope i’m not sure about the second part

60.9774

step-by-step explanation:

because when you add 47.6 plus 7.32 equals 54.92

and when you add .0574 + 6= 6.0574

and when you add 54.92 and 6.0574 you get the answer of 60.9774.

plzz mark brainlest last one got deleted. cause i didn't explain it but i did but i understand what the mod meant