Answer:
<h2>18mins</h2>
Step-by-step explanation:
This problem is on combined work rate
given that
Marta can vacuum the house in 30 min
then her rate= 1/30
Also, her daughter will take 45 min to vacuum the house
her daughter's rate will be = 1/45
then the combined work rate is
1/30+1/45=1/T
30+45/30*45=1/T
75/1350= 1/T
1/18=1/T
This means that they will both take 18 minutes working together to vacum a house
Answer:
4/12 simplified to 1/3 of rolling 2 times.
Step-by-step explanation:
Answer:
It is either 1.5 inches per hour or 1 inch in 2/3 hours. I also think 1:3
Step-by-step explanation:
Three inches in six hours is equivalent to 0.5 inches per hour.
Answer:
0.2
Step-by-step explanation:
Graph each side of the equation. The solution is the x-value of the point of intersection.
