SOLUTION: There are.... 1/4 airliners 1/2 fighters 10 gliders 20 bombers How many fighter planes are there

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Question 260335: There are....
1/4 airliners
1/2 fighters
10 gliders
20 bombers
How many fighter planes are there
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
Let the total amount be T
So, we get
(i) %281%2F4%29T+%2B+%281%2F2%29T+%2B+20+%2B+10+=+T
multiply by 4 to get
(ii) T+%2B+2T+%2B+120+=+4T
subtract 3T to get
(iii) 120+=+T
This means we have
60 fighters.