There are 720 boys and 700 girls in a school. The probability that a boy chosen at random studies French is 2/3 The probability that a girl chosen at random studies French is 3/5 . Work out the number of students in the school who study French.

Number of boys = 720Probability of boy studying French is 2/3, so 2/3 of 720 boys study French.720 students * 2/3 = 240 * 2 students = 480 students
Number of girls = 7003/5 girls study French.700 students * 3/5 = 140 * 3 students = 420 students
Total number of students studying French480 students + 420 students = 900 students

Answered by Nickie W. Maths tutor

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