Writing Linear Equations in Context

The drama club is printing t-shirts for its members. The printing company charges a certain amount for each shirt plus a setup fee of $40. If there are 21 students in the club and the t-shirt order costs a total of $187, how much does each t-shirt cost?

• $8.90

• $7

• $140

• $3

Tags

CCSS.7.EE.B.4A

Suppose you receive $100 for a graduation present, and you deposit it into a paypal account. Then, each week, you take out $5 to use on snacks at the gas station.

Write an equation to model this situation.

• y=-100x +5

• y= w + 500

• y= -5w + 100

• y= -100w + 5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

You and your friends decide to play video games online together for 5 hours on Saturday. This particular game charges a one-time $10 fee to download and $3.50 per hour of play. This situation can be modeled by a function. What is the domain (input) of this function?

• The 5 hours they played

• The one-time $10 fee

• The $3.50 per hour of play

• The friends

Your brother works for a company that cleans and paints the outside of houses at a rate of $35 per hour. The company charges a flat rate of $500 for their supplies. The equation f(x) = 500 + 35x represents this scenario. What is represented by the variable ‘x’ in this scenario?

• The company your brother works for

• The supplies

• The hours they work on the house

• The flat rate

Tags

CCSS.HSF.LE.B.5

f(x) = 2x + 7

• I have 7 dogs and 2 bunnies

• I have $7 in savings. I earn $2 each day if I do chores.

• I have 2 pencils and I buy 7 more.

• I have 2 comic books and each one costs $7.

Tags

CCSS.HSF.LE.B.5