Question

Of the 330 students at school,

72% are interested in learning French, 38%
Chinese, 30% both courses. If others are
interested in learning Spanish, how many are
interested in learning Spanish?​

Answer 1

66 students

Explanation:

Percentage of students learning Spanish = 100% - 72% - 38% + 30%

= 20%

No. of students learning Spanish =
`(20)/(100)` × 330 students

= 66