NCERT Class 7 Mathematics Solutions: Chapter 8 –Comparing Quantities Exercise 8.3 Part 2

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Formula of Profit are given in image

Formula of Profit

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1. Convert each part of the ratio to percentage:

(a)

(b)

(c)

(d)

Answer:

(a)

Total part

So, 1st part

2nd parts

Percentage of parts

(b)

Total part

1st part

2nd part

3rd part

Percentage of parts

(c)

Total part

1st part

2nd part

Percentage of parts

(d)

Total part

1st part

2nd part

3rd part

Percentage of parts