soniabobali soniabobali

29-05-2020
Mathematics

contestada

There are
18 girls and
22 boys in a class,one
of them has a letter. The probability that
the
owner
of the letter is a boy is

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jespervandenkoedijk jespervandenkoedijk

29-05-2020

First take the total of students ( 18 + 22 ) = 40. To calculate the percentage take the total of boys and divide it by the total of 40, and multiply by 100%. That gives 22 : 40 x 100% = 55. So the probability that a boy has the letter is 55%.

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