Monday

April 21, 2014

April 21, 2014

Posted by **panda** on Tuesday, January 18, 2011 at 10:13pm.

a Middle school has 125 6th graders, 150 7th graders, and 100 8th graders. Which statement is NOT true?

a. the ratio of 6th graders to 7th graders is 5 to 6.

b. the ratio of 8th graders to 7th graders is 3:2.

c. the ratio of 6th graders to students in all three grades is 1:3.

d. the ratio of 8th graders to students in all 3 grades is 4 to 15.

- math -
**helper**, Tuesday, January 18, 2011 at 10:23pmb. 8th:7th = 2:3

- math -
**Ms. Sue**, Tuesday, January 18, 2011 at 10:24pmAre you supposed to solve these problems like this?

Cross multiply and solve for x.

a.

125/150 = x/6

150x = 750

x = 750/150

x = 5

- math -
**panda**, Tuesday, January 18, 2011 at 10:28pmThank you helper so much!!!!:)

**Related Questions**

Math - Need help on this question: There are 32 sixth graders and 44 seventh ...

math - In polk middle school, 45% of the students are 6th graders, 35% of the ...

math - There are 57 students in class of 6th and 7th graders. There are twice as...

Math (7th grade) - I have a math question that I do not really understand how to...

math - A team is made up of 6th 7th and 8th graders in the ratio of 234. How ...

Math - Nicole drew a circle on the chalkboard that had a radius of 15 cm. Which ...

percents - there are 1000 students. The 6th grade surveyed.12% of the students ...

math - mrs. karson's music class includes both 6th and seventh graders. the ...

math - mrs loya sponsers the spanish club at central middle school.the club has ...

math - The lunchroom workersare giving away free cookies today. They gave the ...