SOLUTION: Hello, I have a homework about inequalities:word problems. The question states: "For each of the following, a) choose a variable to represent the number indicated in parentheses.

Question 872666: Hello, I have a homework about inequalities:word problems.
The question states:
"For each of the following, a) choose a variable to represent the number indicated in parentheses. b) use the variable to write an inequality based on the given information, do not solve."
The exercise:
14. At a school cafeteria, a student paid $1.25 for a whole-wheat muffin and a glass of milk. The milk cost less than two thirds of (the cost of the muffin).
Thank you, and please explain to me how it is solved, that would help me a lot.
{P.S. any help would be greatly appreciated.}
Answer by indra89811(24) (Show Source): You can put this solution on YOUR website!
Let $M be the cost of each muffin.
The total cost is $1.25
Hence, cost of a glass of milk = 1.25 - M
The required inequality is
1.25 - M < (2/3) * M

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