Question

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?

Answer 1

Barbara’s equation did not consider the number of bottles of Iced Tea.

Explanation:

Answer is "B"

Answer 2

1.25x + 1.49 = 100

Explanation:

1.25 = Water bottle selling price

x = number of water bottles

1.49 = Ice tea sell price

Missing = number of ice tea bottles

100 = Total selling price

Mistake:

Barbara’s equation did not consider the number of bottles of iced tea