Question

The fees for a computer course is increased from $ 30

to $ 36 per month. Find the percentage increase in
the fee
(a).15&%
(b).20%
(c).25%
(d).30%

Answer 1

Given :-

• Original price = $ 30
• Increased price = $36

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To find:-

• Increased percentage

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First let's find increase in price :-

• Increase = Increased price - Original price
• Increase = 36 - 30
• Increase = $6

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`\boxed{ \rm increase\% = (increase)/(original \: price) * 100 }`

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So:-

`\\`

`\dashrightarrow \rm increase\% = \sf (increase)/(original \: price) * 100 \\`

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`\dashrightarrow \rm increase\% = \sf (6)/(30) * 100 \\`

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`\dashrightarrow \rm increase\% = \sf (6)/(3\cancel0) * 10\cancel0 \\`

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`\dashrightarrow \rm increase\% = \sf (6)/(3) * 10 \\`

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`\dashrightarrow \rm increase\% = \sf \cancel(6)/(3) * 10 \\`

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`\dashrightarrow \rm increase\% = \sf 2* 10 \\`

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`\dashrightarrow \bf increase\% = 20\%`