Question

The price of 5 citrons and 9 fragrant wood apples in 106 units. the price of 9 citrons and 5 fragrant wood apples is 90 units .find the price of a citron and the price of a wood apple

Answer 1

Let
`c` equal the number of citrons and
`a` equal the number of fragrant wood apples.


`5c+9a=106`


`9c+5a=90`

The solution is
`(5,9)`.

The sum is 14 units.