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Present
Background
Layout -
Theme
Transition
ACTIVITY
3.2
Writing and Solving
Two-Step Equations
1. Shelly is throwing a graduation party. She is sending
invitations to her friends and family. She finds a company
that charges $6 for a 10-pack of personalized invitations,
plus a $5 shipping fee for the entire order, no matter how
many 10-packs are ordered. Shelly wants to calculate the
cost of an order, based on the number of packs of
invitations she orders.
a. Define variables for the two quantities that are changing
in this scenario.