Sumalee won 40 super bouncy balls playing horseshoes at her school's game night. Later, she gave two to each of her friends. She only has 8 remaining. How many friends does she have?
expression: 2f + 8 = 40
F = 16 friends
m/5 + (-4 ) = 12
What is 80 ?
For a field trip 4 students rode in cars and the rest filled nine buses. How many students were in each bus if 472 students were on the trip?
9b + 4 = 472
b = 52
Aliyah had $55 to spend on five pencils. After buying them she had $10. How much did each pencil cost?
5 p + 10 = 55
p = 9 dollars per pencil
You bought a magazine for $ - $35 and fifteen erasers. You spent a total of $215. How much did each eraser cost?
15m + (-35) = - $215
m = 12 dollars
Adam's Bikes rents bikes for $19 plus $8 per hour. Nicole paid $67 to rent a bike. For how many hours did she rent the bike?
19 + 8h = 67
h = 6 hours