Selina solutions

Selina solutions

Grade 6

Percent (Percentage) | Revision Exercise

Question 12

Q12) Find the number that is :

(i) 50% more than 48

(ii) 30% less than 70

Solution:

(i) Increase = 50%

Increased number = 48\times\frac{(100+50)}{100}

=48\times\frac{150}{100}=\frac{48\times3}{2}=72

(ii) Decrease = 30%

Decreased number = 70\times\frac{100-30}{100}=\frac{70\times70}{100}=49

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Question 12

Q12) Find the number that is :

(i) 50% more than 48

(ii) 30% less than 70

Solution:

(i) Increase = 50%

Increased number = 48\times\frac{(100+50)}{100}

=48\times\frac{150}{100}=\frac{48\times3}{2}=72

(ii) Decrease = 30%

Decreased number = 70\times\frac{100-30}{100}=\frac{70\times70}{100}=49

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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