Question

If 30 increases by 42%, what will be the new number?

Answer 1

Answer:

42.6

A/ q

increase of 30 by 42 %

= 30 * 100+42/100

= 42 .6

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Answer 2

THE NEW NUMBER = 42.6

GIVEN:-

If 30 increases by 42%

TO FIND:-

If 30 increases by 42%, what will be the new number?

SOLUTION:-

• If a number (x) increases by a number (y), then the new number will be (x + y)

According to sum, 30 increases by 42 %

• which means 30 increases by 42 % of 30
• 30 + 42% of 30

The number that is increased = 42% of 30

$= \frac{42}{100} \times 30 \\ \\ = \frac{1260}{100} \\ = 12.6$

The new number = 30 + 42% of 30

$30 + 42\% \: of \: 30 \\ = 30 + 12.6 \\ = 42.6$

Hence, the new number = 42.6

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