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liubo4ka [24]
3 years ago
8

A carpenter is building a staircase from the first floor to the second floor of a house. The distance between floors is 3.3m. Ea

ch step rises 22cm. Not counting either floor itself, how many steps will there be?
Mathematics
1 answer:
spin [16.1K]3 years ago
4 0
In order to calculate the number of steps, we need to know how much 22cm goes into 3.3m.

Formula:
1 meter = 100 centimeters
3 meters = 300 centimeters
.3 meters = 30 centimeters
3.3 meters = 330 centimeters

\frac{330}{22} = \frac{165}{11}

And now we know, 165 divided by 11 is equal to 15.

So there you go. 15 steps.

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Step-by-step explanation:

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Please help me!
rewona [7]

Answer:

12(j+t) + 15 = c

Step-by-step explanation:

So, lets go over what we know.

First off, for simplicity, lets consider Johnathan as J, and Trina as T.

We know that both J and T produce 12 dollars each per hour.

We know that J gets a extra 15 dollars.

We can think of the amount they produce each hour as the time they work in total, times the money they make a hour, which is 12.

We can think of this first part where the total time they work is (J + T)

The 12 dollars they get an hour can be though of as multiplying this sum: 12(J+T)

Finally, we know that J gets an extra 15 dollars.

This is not dependent on time, like the other variables, so we simply add it to the sum of what they make in the end:

12(J+T)+15

This looks like answer C.

Answer:

C

Hope this helps!

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3 years ago
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