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 school luncheon made $750. Adult tickets cost $11 each and child tickets cost $8each. The number of children was halfthe number of adults. How many of each ticket were sold?State both the unknown variable/expression, write the equation, and write your answer in a complete sentence.

There is a mound of g pounds of gravel in a quarry. Throughout the day, 300 pounds of gravel is added to the mound. Two orders of 500 pounds are sold and the gravel is removed from the mound. At the end of the day, the mound has 1,100 pounds of gravel. Solve for g. 9 = Number pounds.

At the grocery store Jerry spent $24.75 for 3 pounds of chicken and 3 pounds of cheese.The cheese cost $4.50 per pound.What was the cost of the chicken per pound?List the facts,question,and define a variable,then write an equation that could be used to solve to find the answer to the question.Do not solve the problem.