Pears sell for $2.90 per pound, and apples sell for $1.20 per pound. Leona bought some apples and pears. The total cost was $10.30.
If p = pears and a = apples, find an equation that models this situation.
10.30p + 1.20a = 2.90
2.90p + 10.30a = 1.20
2.90a + 1.20p = 10.30
2.90p + 1.20a = 10.30