Determine the person's contribution in terms of percentage — task. Mathematics State Board, Class 7.

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Answer variants:

76.6

71.4

27.4

28.6

Ajay's teacher assigned a project work to him and his friend. They both contributed to the project in the ratio of

$5:2$ . Represent their contribution in percentage.

Ajay's contribution in the project

$\%$

Ajay's friend contribution in the project

$\%$

$1$

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12. Determine the person's contribution in terms of percentage