Ratio and proportion
the ratio of boys to girls in 5th year is 2: 5 if there are 140 pupils in total, how many boys and girls are there?
b)if the ratio of boys to girls in 3rd year is 5: 4 , how many girls would there be when there are 120 boys?

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.