SOLUTION: Question 18
Two apples and one orange together cost 72 cent. One apple and two oranges together costs 63 cent. How much does one orange cost? Enter your answer as a whole number,
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Two apples and one orange together cost 72 cent. One apple and two oranges together costs 63 cent. How much does one orange cost? Enter your answer as a whole number,
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Question 905919: Question 18
Two apples and one orange together cost 72 cent. One apple and two oranges together costs 63 cent. How much does one orange cost? Enter your answer as a whole number, i.e. no € symbol.
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Two apples and one orange together cost 72 cent. One apple and two oranges together costs 63 cent. How much does one orange cost? Enter your answer as a whole number, i.e. no € symbol.
2a+1o=72
1a+2o=63
multiply #2 by 2
2a+4o=126
multiply #1 by -1
2a+4o=126
-2a-1o=-72
add
3o=54
o=18
One orange costs 18 cents