(4 x 10e5) (2 x 10e3)
1 answer:
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Answer:
5mph
Step-by-step explanation:
Given that two cars are 40 miles apart at the beginning.
They started at the same time with speeds 48 mph and 56 mph respectively
Since both cars are travelling in the same direction,
Relative velocity = Speed of the behind car-Speed of the first car
=56-48 =8mph
To catch the I car, the second car has to travel a distance of 40 miles extra in the same time as the I car
i.e. speed to be made up by the second car = 40 miles
Relative velocity per hour = 8mph
Hence time taken to catch up =
Answer:
x = 9
y = 4
Step-by-step explanation:
Substitution! View images attached ^^
Answer:
There are <u>48 floors</u> in the office building.
Step-by-step explanation:
Given:
An office building has a total of 1,248 stairs from the lobby to the top floor.
If 26 stairs are between each floor.
Now, to find the floors in the office building.
Number of stairs in the building = 1,248.
Between each floor number of stairs = 26.
Now, to get the number of floors in the office building we divide number of stairs in the building by between each floor number of stairs:
Therefore, there are 48 floors in the office building.