Raymond buys bottles of water at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of water b did he buy?
(1 point)
Responses
2.10b + 12.99 = 21.39; 4 bottles
2.10 b + 12.99 = 21.39; 4 bottles
2.10 + 12.99b = 21.39; 4 bottles
2.10 + 12.99 b = 21.39; 4 bottles
2.10c = 21.39 + 12.99; 6 bottles
2.10 c = 21.39 + 12.99; 6 bottles
21.39 – 2.10b = 12.99; 16 bottles