Juan and his children went into a grocery store and he bought $7.50 worth of apples and bananas. Each apple costs $0.75 and each banana costs $0.50. He bought a total of 11 apples and bananas altogether. By following the steps below, determine the number of apples, x,x, and the number of bananas, y,y, that Juan bought.

Guest Mar 5, 2021

#1**+1 **

apple = a

banana = b

(1) a+b = 11

(2) 7.50 = 0.75 a + 0.5b

(2)*100 =

(3) 750 = 75a + 50b

(1) * 50 =

(4) 50a+ 50b = 550

(3) -(4) =

25a = 200

a = 8

**8 apples, 3 bananas **

Charger421 Mar 5, 2021

#2**+1 **

a = # apps cost 75a

b = bans = 11-a cost 50(11-a)

75a + 50(11-a) = 750

25a = 200 a = 8 then b = 11-8 = 3

ElectricPavlov Mar 5, 2021