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maxonik [38]
3 years ago
6

A girl wants to count the steps of a moving escalator which is going up. If she is going up on it, she counts 60 steps. If she i

s walking down, taking the same time per step, then she counts 90 steps. How many steps would she have to take in either direction, if the escalator were standing still?
Mathematics
1 answer:
Luba_88 [7]3 years ago
3 0
75. As she is going up, 15 stairs have been passed by the escalator moving. When she goes down same thing
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Step-by-step explanation:

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4 0
3 years ago
Help please ! need asap
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Answer:

x° = 139

step 1 :

180 - (37 + 38)

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step 2 :

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step 3 :

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2 years ago
Niki wants to buy a dog bed the cost $87. She earns $6 per week for doing chores. How many weeks will Niki have to do her chores
Viktor [21]

Answer:

The answer to your question is 14.5 weeks

Step-by-step explanation:

Data

Total cost = C = $87

money earned = m = $6

Number of weeks to have the money = w = ?

Process

1.- Write an equation that represents the situation

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2.- Substitute the values

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3.- Result

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4.- Conclusion

Niki will last 14.5 weeks to have enough money to buy a dog bed.

7 0
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6 0
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