3.RA.D.9
Write and solve two-step problems involving variables using any of the four operations.
Example Problems
A truck is traveling at .
Write an expression for how many miles the truck travels after .
Write an expression for how many miles the truck travels after .
John used a $100 bill to pay for a pair of shoes that costs z dollars.
Write an expression for how much change John received from the cashier.
Write an expression for how much change John received from the cashier.
Megan is a teacher. She needs to buy 7 notebooks for each student. There are students.
Write an expression for how many total notebooks she needs to buy.
Write an expression for how many total notebooks she needs to buy.
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