Equations Word Problems Algebra

11b+7=40

• 2
• 1
• 4
• 3

Solve   -5t + 9 = 24

• -3
• 3
• 12

7x - 11 = 5x + 25

• 18
• 17
• 16
• 15

-7x - 36 = 20 -3x

• -12
• -14
• 15
• 8

A gymnastics center charges a $60 registration fee and $15 per class. Olivia registers to take a class and pays a total of $210. Which equation can be used to determine how many classes Olivia signed up for?

• 60 - 15x = 210

• 15x - 60 = 210

• 15x + 60 = 210

• 210 + 15x = 60

Celebrity A has 400 followers on social media and is gaining 75 followers each day. Celebrity B has 1000 followers on social media, but is losing 25 followers a day. How many days will it take them to have the same number of followers?
Choose the correct equation 

•  $400+75x=1000-25x$  

Ben and his friend are going to play putt-putt.  At one location, they can pay $2.00 for rentals plus $7.50 per game.  At another location, it would cost $8.00 for rentals plus $6.00 per game.  How many games would they have to play in order for either location to cost the same amount?
What does the variable represent in the equation 

• x= dollars per rental 

• x= dollars per game 

• x= number of games 

• x = total games

Hayley has $155 in savings, and her brother Hank has $230.  Kayley is saving $10 each week, and her brother is spending $15 each week.  After how many weeks will their savings accounts have the same amount of money in them?

• 4 weeks

• 2 weeks

• 3 weeks

• 5 weeks

Solve:
C = 2πr, for r

• C/(2π) = r
• C + 2π = r
• C - 2π = r
• 2πC = r