Question

8. Decrease the following by the given percentage.
(i) 90 by 90%
(ii) 550 L by 36%​

Answer 1

Answer:

i) 10

ii) 352

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Answer 2

Step-by-step explanation:

(I)

$90 \times 90\% = 90 \times \frac{90}{100} \\ 9 \times 9 = 81$

Decrease = 90-81 = 9

(ii)

$\\ 550l \: \times \: 36\% = 550l \times \frac{36}{100} \\ = \frac{36 \times 55}{10} l \\ = 18 \times 11l \\ = 198l$

Decrease = 550L - 198 L = 352L