fractions

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at a concert 2/5 of the people were men, there were 3 times as many women as children, ithere were 45 mor men than children, how many people were there at the concert

• fractions -

at a concert 2/5 of the people were men, there were 3 times as many women as children, if there were 45 more men than children, how many people were there at the concert

• fractions -

people: p
men: 2/5 p
children: c
women: 3c
men: 2/5 p = c+45
people = m+w+c = 2/5 p + 3c + c

so, p = 2/5 p + 4c

3/5 p = 4c
2/5 p = c+45

c=27
p=180
180 people at the show.

so, women=81
men=72

• fractions -

3/4 of the students in school were girls and the rest were boys.2/3 of the girls and1/2 of the boys attended the school carnival. Find the total number of students in the school if 330 students did not attend the carnival

• fractions -

There are one hundred and eighty overall people. Seventy-two people are men. Eighty-one people are women. And twenty-seven people are children.

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