# It takes 17 full specific type of trees to make one tonne of paper. If there are 221 such trees in a forest, then(i) what fraction of forest will be used to make;A. 5 tonnes of paper.B. 10 tonnes of paper.(ii) To save part of the forest how much of paper we have to save.

Given:

Total 221 trees in forest

17 trees require to make 1 tonne of paper

Formula Used\Theory:

Dividing total amount by amount of 1 item gives

Number of items

(i) (A) 5 tonnes of paper

17 trees require to make 1 tonne of paper

Then;

5 tonnes of paper require

17 × 5 trees

= 85trees

Fraction of forest = Fraction of forest = (B) 10 tonnes of paper

17 trees require to make 1 tonne of paper

Then;

10 tonnes of paper require

17 × 10 trees

= 170trees

Fraction of forest = Fraction of forest = (ii) To save part of forest

Means; × 221 trees to be saved

= 7 × 17

= 119trees to be saved

If 17 trees require to make 1 tonne of paper

Then;

Number of tonnes of paper to be saved = = 7 tonnes

7 tonnes of paper are require to save part of forest

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