# The percentages in practice

If every tenth apple on the tree is rotten it can be expressed by percentages: 10% of the apples on the tree is rotten.

Tell percent using the following information:
a. in June rained 6 days
b, increase worker pay 500 euros to 50 euros
c, grabbed 21 from 24 shots on goal keeper
d, of 150 carrot seeds not germinated 30 seeds

Result

a =  20 %
b =  10 %
c =  87.5 %
d =  20 %

#### Solution:

$$\smash{ a = 6/30\cdot 100= 20 \% \\~\\b = 50/500\cdot 100= 10 \% \\~\\c = 21/24\cdot 100= 87.5 \% \\~\\d = 30/150\cdot 100= 20 \% }$$

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