Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. she wrote an equation to find the number of bottles she needs to sell to earn $100.

1.25x + 1.49 = 100
what error did barbara make in writing the equation?

a = barbara’s equation did not consider the number of bottles of water.
b = barbara’s equation did not consider the number of bottles of iced tea.
c = barbara’s equation did not use the correct price for the bottles of iced tea.
d = barbara's equation did not use the correct total for sales.