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estimate: is 20-30
18 girls
17. There should be 18, but one has gone to the toilet.
18 boys 30 girls
17/30 ( this is in its sinplest form)
Since there are 2 boys and 3 girls there are 3 girls in a class of 5. For a class of 30 there is thus 3/5 times 30 = 18 girls John
estimate: is 20-30
A class of 25 to 30 is considered average.
18 girls
17. There should be 18, but one has gone to the toilet.
18 boys 30 girls
do youmean 75 percentg are girls? Then 0.75 x 40 = 3/4 x 40 = 30 girls
17/30 ( this is in its sinplest form)
If there were 30 students in the class, it would mean that 2/5 are girls. Girls = 12. Boys = 18
15
Boys: 12/30 = 2/5 Girls: 18/30 = 3/5
there are 12 boys in the class