Answer:
25%
Step-by-step explanation:
Total= 40 students
boys +girls= 40
30 +girls= 40
number of girls
= 40 -30
= 10
Percentage of girls
Alternatively,
percentage of girls
= 100% -(percentage of boys)
Make x the subject of: 2x + a = b (x - 2)
1 answer:
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