Al’s Produce Stand sells 6 ears of corn for $1.50. Barbara’s Produce Stand sells 13 ears of corn for $3.12. Write two equations, one for each produce stand, that model the relationship between the number of ears of corn sold and the cost. 1. What was Al's equation and what was Barbara's equation?

Ears of corn for Al is: 6, 14, 21 and .
How much it cost is: 1.50$,___,___ and 50.00$

Ears of corn for Barbara's: 13, 14, 21 and ___.
How much it cost: 13.12$,___,___ 49.92.

(The underlines mean blank BTW. And I will give brainliest)