Respuesta :
Step-by-step explanation:
5 a = $4.45
x1.4
7 apples = $6.23
1 apple = 0.89
9.79 / 0.89 = 11
11 apples
For the first question, he bought 7 apples for 6.23 and then he bought 11 apples for 9.79 because the unit rate was .89 so just multiply it by the amount.