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 drinks she needs to sell to earn $100.

1.25x + 1.49 = 100
What error did Barbara make in writing the equation?

Answer 1

You are supposed to put variables for both of the values.

Answer 2

You need variables for 1.49 and 1.25.

Answer 3

She left out a variable

Answer 4

Find out where it should be.

Answer 5

1.25x?

Answer 6

1.25x already has a variable, we need another one

Answer 7

i think its 1.49

Answer 8

Yes! Great job! :)

Answer 9

Yes, we need another variable on '1.49', it should be another one, like 'y'.