Step Real World Problems
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Mandana is ordering new tile for her kitchen floor. The area of the floor is 111.3 square feet, and she wants to order between 15%
and 20% extra of the materials. Which of the following is a reasonable amount of tile for Mandana to order?
A.
135 square feet
B. 127 square feet
C. 125 square feet
D. 131 square feet
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Solve the formula ax+ by = c for x.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.