A mom buys a water bottle and a jersey for each of the 10 players on the volleyball team. Each jersey costs $6.70. The mom spends a total of $221 for water bottles and jerseys. Enter an equation that modes the situation with u, the cost of one water bottle.

A mom buys a water bottle and a jersey for each of the 10 players on the volleyball team Each jersey costs 670 The mom spends a total of 221 for water bottles a class=