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Agata [3.3K]
3 years ago
13

If twice a​ number, added to 3 is divided by the number plus 7​, the result is three halves. Find the number.

Mathematics
1 answer:
morpeh [17]3 years ago
6 0
The answer to the question

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Leilani practiced piano for 3/5 of an hour. Sarah practiced piano for 7/8 of an hour.
ivolga24 [154]

Answer:

The number of hours did Sarah practice more than Leilani is \dfrac{11}{40}  hours  .

Step-by-step explanation:

Given as :

The time for which Leilani practiced piano = \dfrac{3}{5} hours

The time for which Sarah practiced piano = \dfrac{7}{8} hours

Let the number of hours did Sarah practice more than Leilani = T hours

<u>Now, According to question</u>

The number of hours did Sarah practice more than Leilani = \dfrac{7}{8} hours -  \dfrac{3}{5} hours

Or, T =  \dfrac{35-24}{40} hours

Or, T =  \dfrac{11}{40} hours

So,The number of hours did Sarah practice more than Leilani = T =  \dfrac{11}{40}  hours

Hence, The number of hours did Sarah practice more than Leilani is \dfrac{11}{40}  hours  . Answer

3 0
3 years ago
I will give branlyest
Anon25 [30]

Answer:

15 3 over 100

2 \frac{1}{2} + 4 \frac{1}{4} + 9 \frac{1}{4} = 15 \frac{3}{10}

5 0
3 years ago
Principal is __________.
bearhunter [10]

Answer:

B. the initial amount of money invested

Step-by-step explanation:

Principal is the money invested or the money that a lender lend the borrower. Such money is the basis on which the interest payable will be calculated after considering the numbers of years and installments.

4 0
3 years ago
McKayla checked out 11 books from the library on Tuesday. On Wednesday, she went back to the library and checked out 23 more boo
tresset_1 [31]

Answer:

i would say about 33 books in total from tuesday to wednesday

Step-by-step explanation:

5 0
3 years ago
What is the mean? <br> 19, 16, 24, 12, 16, 21, 18
attashe74 [19]
I'm pretty sure it's 12.
6 0
3 years ago
Read 2 more answers
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