Answer:
Option B. is correct
Step-by-step explanation:
Let
denotes time taken by Mia alone to clean the room and
denotes time taken by Holly alone to clean the room.
As Mia and Holly can clean their room in 20 min, working together,
Also,
Mia, working alone, can do the job in 30 min.
So,

Put (ii) in (i)

Therefore,
Holly can clean the room alone in 60 minutes.
Option B. is correct
Answer:
View Picture
Step-by-step explanation:
That number is 98. Your Welcome
Answer:
m=0
Step-by-step explanation:
How to solve your question 4 +5=5−4
Step 1: Rearrange Terms 4+5=5−4 4+5=−4+5
Step 2 : Subtract 5 from both sides 4+5=−4+5
-5 -5
Step 3 : Simplify 4m= -4m
Step 4: Add 4m to both sides of the equation 4m= -4m
+4 +4
Step 5: Simplify 8m=0
m=0
Answer:
17%
Step-by-step explanation:
$5,048.16 divided by $29,695.06 = 0.16999999
Move the decimal over 2 places to the right to get a percentage.
16.99999 = 17%