Answer: 2.72 hours
Step-by-step explanation:
Let's call
while it takes Wade to paint the room
Let's call
while it takes Rhonda to paint the same room.
Then we know that:
.
Let's call it t as it takes Rhonda and Wade to paint the same room working together.
Now we use the following formula to calculate t.





If they work together they will be able to paint the room in 2.72 hours
Answer:
547
Step-by-step explanation:
V = speed of light = 3 x 108 m/s
d = distance = 384000 x 103 m = 3.84 x 108 m
time taken = t = d/V = 3.84 x 108 /(3 x 108 ) = 1.28 sec
Answer:
2
Step-by-step explanation:
4x minus 4x then it leaves you with just 2 because the 4s cancel out