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Math

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There are 1170 students in a school. The ration of girls to boys is 23 : 22. The system below describes..?
relationships between the number of girls and the number of boys.

g+b=1170

g/b=22/23

a. Solve the proportion for g.
b. Solve the system.
c. How many more girls are there than boys?

  • Math - ,

    ratio
    a. well...first you divide 1170 by 45(I got 45 by adding the amount of the ratio 23+22) and you get 26.so then you multiply 26 by 23 to get the number of girls. you mulitply 26 by 22 to get the number of boys. so G = 498
    b. above
    c. there are 26 more girls than boys

  • Math - ,

    what's the proportion when it's solved, using g/b=22/23?

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