The ratio of boys to girls in a class is 5 : 8. If there are 143 students in all, how many girls are there?
Answer and explanation
Correct answer: D. 88
- Step 1: There are 13 parts; each part is 143/13 = 11.
- Step 2: Girls = 8 x 11 = 88.
Answer
88.
Why not the others: 55, 71 and 96 do not fit.
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