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ivann1987 [24]
4 years ago
13

An empty swimming pool is filled by two inlet pipes. one pipe can fill 1 110110 of the swimming pool in one hour. the other can

fill 1818 of the swimming pool in one hour. if both inlet pipes are used to fill the pool, how many hours will it take to fill the empty pool
Mathematics
1 answer:
Dmitrij [34]4 years ago
5 0
Let's say one pipe can fill 1/10th of the swimming pool per hour; and the other can fill 1/8th of the pool per hour. Then, working together they can do:
1/8+1/10=5/40+4/40=9/40 pool per hour
1 pool/(9/40) pool/hour=40/9 hours for one pool when the pipes are working together
☺☺☺☺
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Calculate the pay for the following day of a
USPshnik [31]

Answer:  $122.50

<u>Step-by-step explanation:</u>

In          Out

8:00    12:00    = 4 hours

12:45    17:30   =<u> 4.75 hours   </u>

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Note: to subtract 12:45 from 17:30, borrow 1 hour from 17 and add 60 minutes to 30:

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6 0
4 years ago
What is the unit rate $1.29 for 15oz to nearest tenth
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Answer:

The unit price of an item is the cost for each unit.

The unit price may be calculated for several reasons.

It will allow an easy comparison of the cost of the same quantity of items that come in different sizes.

For example, Company A sells peaches in a can. Their can holds 16 oz of peaches at a price of $1.60. Company B also sells peaches in a can, but their can holds 10 oz of peaches at a price of $1.10. At first glance, Company B looks like they might have cheaper peaches because of the lower overall price, but when you calculate the unit price, you get a more accurate way to compare.

For Company A, $1.60 ÷ 16oz = $0.10 per ounce.

For Company B, $1.10 ÷ 10oz = $0.11 per ounce.

The peaches are measured with ounces as the unit, so now that we have unit prices, we can definitely tell that Company A is the better deal, if you like peaches!

Unit price can also be helpful to find the cost of a single item when many items are purchased together. This may be required if the items are going to be divided up and resold. It could also be useful if several people will pay together with each person paying their fair share of the cost based on how many items they receive.

Step-by-step explanation:

5 0
3 years ago
The amount of money Mr. Brust made this summer was equal to the $55 he started with and the $15 for every lawn he mowed while st
earnstyle [38]

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