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Mary went up the Old Tower taking 3 steps per second. Then she carefully came down from the tower taking 2 steps per second. It took Mary 25 seconds longer to come down than to go up. How many steps does the Old Tower have?

Respuesta :

sofia11grana

Answer:

The old tower has 65 steps.

Step-by-step explanation:

Answer:

let the number of steps=x

time taken to go up=1/3×x=x/3 s

time taken to go down =1/2×x=x/2 s

now we do,

x/2-x/3=25

finally we multiply by 6,

3x-2x = 25 x 6

x=150

hope this helps

Step-by-step explanation:

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