7.2.C.22 - Solving Equations Using Algebra - Exit Ticket

Last updated almost 4 years ago

3 questions

Susan and Bonnie are shopping for school clothes. Susan has $50 and a coupon for
a $10 discount at a clothing store where each shirt costs $12. Susan thinks that
she can buy three shirts, but Bonnie says that Susan can buy five shirts. The
equations they

a. Solve Susan's Equation algebraically. Justify your steps.

b. Solve Bonnie's Equation algebraically. Justify your steps.

c. Determine who is correct and why.

From EngageNY.org of the New York State Education Department. Grade 7 Mathematics Module 2, Topic C, Lesson 22. Internet. Available from https://www.engageny.org/resource/grade-7-mathemat...