Equations

Ryan bought 4 shirts that cost $60 after he applied a $10 off coupon. The shirts all cost the same amount. Which equation can be used to find the cost of each shirt?

• 4s - 10 = 60

• 4s + 10 = 60

• 10s - 4 = 60

• 10s + 4 = 60

This season, the number of points Reggie scored was 36 less than 4 times the number of points Larry scored. Reggie scored 64 points this season. The equation below represents this situation.

4n - 36 = 64

What does n represent in this equation?

• the number of points Reggie scored

• the number of points Larry scored

• how many more points Reggie scored than Larry

• how many points Reggie and Larry scored in all

Kevin sold 5 times as many raffle tickets as Alice. If Kevin sold 45 raffle tickets in all, which equation can be used to find a, the number of tickets Alice sold?

• 5 + a = 45

• 45 + a = 5

• 5a = 45

• 45a = 5

What is the value?

-8(7 - 3.2)

• -59.2

• -30.4

• 30.4

• 52.8

Which is equivalent to -7(y-2) ?

• -7y - 2

• -7y + 2

• -7y + 14

• -7y + 14

Which is equal to 40 %

• 4.0

• .40

• 400

• .04

Of the 60 students who auditioned in a singing contest, 40% were asked to come back for a second audition. How many were asked to come back for a second audition?

• 24

• 30

• 21

• 40

What is 30% of 50?

• 30

• 5

• 15

• 20

I bought a shirt for $25 and payed a 7% sales tax. Which equation shows how to find the total price, p, of the shirt?

(tax included)

• $25 + $7 = p

• $25 + .70($25) = p

• $25 + .07($25) = p

• $25 - .07($25) = p

Find the solution:

2x + 25 = 51

• 10

• 11

• 38

• 13