Selina solutions

Selina solutions

Grade 6

Percent (Percentage) | Exercise 16(A)

Question 1

Q1) Express each of the following statements in the percentage form :

(i) 13 out of 20

(ii) 21 eggs out of 30 are good

Solution:

(i) 55% of 160 + 24% of 50 - 36% of 150

=\frac{55\times160}{100}+\frac{24\times50}{100}-\frac{36\times150}{100}

= 118 + 12 - 18 3 = 88 + 12 - 54 = 46

(ii) 9.3% of 500 - 4.8% of 250 - 2.5% of 240

=\frac{9.3\times500}{100}-\frac{4.82\times50}{100}-\frac{2.5\times240}{100}

=9.3 5 - 1.2 10 - 0.5 12

= 46.5 - 12 - 6 = 46.5 - 18 = 28.5

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subject-cta

Question 1

Q1) Express each of the following statements in the percentage form :

(i) 13 out of 20

(ii) 21 eggs out of 30 are good

Solution:

(i) 55% of 160 + 24% of 50 - 36% of 150

=\frac{55\times160}{100}+\frac{24\times50}{100}-\frac{36\times150}{100}

= 118 + 12 - 18 3 = 88 + 12 - 54 = 46

(ii) 9.3% of 500 - 4.8% of 250 - 2.5% of 240

=\frac{9.3\times500}{100}-\frac{4.82\times50}{100}-\frac{2.5\times240}{100}

=9.3 5 - 1.2 10 - 0.5 12

= 46.5 - 12 - 6 = 46.5 - 18 = 28.5

Still have questions? Our expert teachers can help you out

Book a free class now

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subject-cta
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