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2 years ago

7

There were 30 students in the gym. 70% of the students in the gym were playing basketball. How many students in the gym were pla

ying basketball?

2 answers:

seropon [69]2 years ago

6 0

Answer:

21

Step-by-step explanation:

you multiply 30 by 0.7 and you get 21.

Rudik [331]2 years ago

4 0

Answer: 21

Step-by-step explanation: 30=100%

3=10%

0.3=1%

3*7=21

21=70%

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<u>Given </u><u>:</u><u>-</u>

A dealer sold a photocopy machine at Rs 4200 with 13% VAT to a retailer.
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<u>To </u><u>Find </u><u>:</u><u>-</u>

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$\sf\dashrightarrow Cost\ of \ machine \ = \ Rs 4200$

$\sf\dashrightarrow VAT = 13\%$

Therefore cost after adding VAT ,

$\sf\dashrightarrow Cost = Cost_{initial}+13\% of Cost_{initial}\\$

$\sf\dashrightarrow Cost = Rs4200 + Rs 4200 \times \dfrac{13}{100}\\$

$\sf\dashrightarrow Cost = Rs4200 + Rs546\\$

$\sf\dashrightarrow \bf{ Cost = Rs 4746}$

Again the values added by the retailer before selling to customer ,

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Therefore total cost after adding these ,

$\sf\dashrightarrow Cost = Rs( 4746+ 250+ 300 + 150 )\\$

$\sf\dashrightarrow\bf { Cost = Rs 5446}$

Again Selling price after addition of 13% VAT ,

$\sf\dashrightarrow SP = Rs 5446 + 13\% \ of \ Rs 5446\\$

$\sf\dashrightarrow SP = Rs 5446 + \dfrac{13}{100}\times 5446 \\$

$\sf\dashrightarrow SP = Rs (5446 + 707.98) = Rs ( 5446 + 708)\\$

$\sf\dashrightarrow \underline{\underline{\bf SP_{to\ the \ customer} = Rs 6154}}$

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