SOLUTION: The ratio of Hispanic to Anglo students is 4:5. If the total number of students is 986, how many of them are Anglo?

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Question 167040: The ratio of Hispanic to Anglo students is 4:5. If the total number of students is 986, how many of them are Anglo?
Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!

Condition:
Hispanic%2FAnglo=H%2FA=4%2F5
Remember: H%2BA=986, EQN 1
Via our Ratio:H%2FA=4%2F5, cross multiply
5H=4A ---> cross%285%29H%2Fcross%285%29=%284%2F5%29A
H=%284%2F5%29A, EQN 2----> subst. in EQN 1:
%284%2F5%29A%2BA=986
%284A%2B5A%29%2F5=986 cross multiply
9A=5%2A986=4930 ---> cross%289%29A%2Fcross%289%29=cross%284930%29547.7%2Fcross%289%29
A=547.7%3E=548, Number of Anglo Students
via Eqn 1:
H=986-548=438, number of Hispanic Students
Check by Ratio in our Condition:
H%2FA=4%2F5=0.80%3E=438%2F548=0.799, Close enough, that's what given, unless there's typo.
Thank you,
Jojo