Ruben bought 3 bananas and 4 apples for $23. Lucia bought 4 bananas and 2 apples for $14. How much did the apples and the bananas costa

Answer 1

4a + 3b = 23

2a + 4b = 14

-2 * equation 2 + equation 1:

-5b = -5

b = 1 ---> 4a + 3 = 23 ---> 4a = 20 ---> a = 5