Posted by Angie on Tuesday, March 31, 2009 at 6:13pm.
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  betty, Tuesday, March 31, 2009 at 6:39pm
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  Angie, Tuesday, March 31, 2009 at 7:00pm
what's the proportion when it's solved, using g/b=22/23?
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