SOLUTION: 1) A school has ordered some uniforms for students of years 7, 8, 9. Year 7 gets 42% of the uniforms; year 8 gets 5/7 of the uniforms that year 7 gets;year 9 gets 20 uniforms less
Algebra.Com
Question 964025: 1) A school has ordered some uniforms for students of years 7, 8, 9. Year 7 gets 42% of the uniforms; year 8 gets 5/7 of the uniforms that year 7 gets;year 9 gets 20 uniforms less than year 8. Find the total number of uniforms ordered.
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
Year 7=42%
Year 8=(5/7)(42%)=30%
Year 9=100%-72%=28%
Year 9=Year 8-20=30%-20uniforms 30%-20 uniforms=28% so 2%=20 uniforms
Total (100%)=20/0.02=1000 uniforms
ANSWER: The total order was 1000 uniforms.
RELATED QUESTIONS
A baseball coach ordered uniforms for her varsity and JV teams. She ordered one uniform... (answered by josgarithmetic)
a school has 320 students. each year as the town gets smaller 6% of the students leave.... (answered by Alan3354)
The school purchased baseball equipment and uniforms for a total cost of $1,762.00. The... (answered by checkley71)
the school purchased baseball equipment and uniforms for a total cost of $1762.The... (answered by randyjoseph7)
How do i go about answering this?(and please explain):
To raise money for new football... (answered by scott8148)
Theschoolpurchasedbaseballequipmentanduniformsfora total cost of $1762. The equipment... (answered by ankor@dixie-net.com)
A baseball coach ordered uniforms for his varsity teams. He ordered one uniform for each... (answered by josgarithmetic)
The ratio of third-year to second-year students at a school is 7 to 8. If there are 256... (answered by ewatrrr)
The school band is comprised of middle school students and high school students, but it... (answered by rfer)