SOLUTION: 2. In a school 1/10 of the students had French as optional language. Of these 1/3 were girls, if 80 boys studied French what is the total number of students in the school? 3.

Question 798559: 2. In a school 1/10 of the students had French as optional language. Of these 1/3 were girls, if 80 boys studied French what is the total number of students in the school?
3. Find the product using suitable property: 28*(-73)+(-78)*22

Answer by Finavon(81) (Show Source): You can put this solution on YOUR website!
2) N total in school

1200 pupils
120 study French (40 girls+80 boys)

3)-28*73=-2044
-78*22=-1716
Add= -3760

RELATED QUESTIONS
In a survey of 100 student the number of student studying various language where find to... (answered by Theo,jim_thompson5910)

A survey of 100 students asked if they studied a foreign language. The result showed:... (answered by rothauserc,ikleyn)

An elementary school is offering two optional language classes, one in French and the... (answered by ikleyn)

there are 990 pupils in a French school, if 1/9 of them are girls, how many boys are in... (answered by addingup)

please assist . There are 300 students at a college that prepare students for... (answered by stanbon)

of 30 students in a class, 25 speak french and 20 speak english. each student speaks... (answered by ewatrrr)

An elementary school is offering 3 language classes: one in Spanish, one in French, and... (answered by ikleyn)

Each student at Sussex Elementary School takes one foreign language. Two thirds of the... (answered by josmiceli)

In Jefferson School, 300 students study French or Spanish. If 100 of these students do... (answered by ecea297)