Two cars leave town at the same time and travel in opposite directions. Speed of car A is 12 km/h more than car B. They are 312k
1 answer:
Answer:
Speed of car B is 33 km/h and speed of car A is
Step-by-step explanation:
Let speed of car B be km/h
Speed of car A is 12 km/h more than car B.
Therefore,
Speed of car A = km/h
Distance = Speed × Time
Distance travelled by car A in 4 hours = km =
km
Distance travelled by car B in 4 hours = km
Also, cars A and B are 312km apart after 4 hours.
Speed of car B is 33 km/h and speed of car A is
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Answer: Time taken by Ximena to paint the fence alone = 24 hours
Time taken by Candice to paint the fence alone = 12 hours
Step-by-step explanation:
Let x= Time taken by Ximena to paint the fence alone .
Time taken by Candice to paint the fence alone = x-12
As per given , we have
if x= 4
Time taken by Ximena = 4 hours
Time taken by Candice = 4-12 hours =-8 hours which is not possible. (time cannot be negative)
Therefore, x= 24
Such that
Time taken by Ximena to paint the fence alone = 24 hours
Time taken by Candice to paint the fence alone = 24-12=12 hours