12x - 4 = 44
What is 4
2(x + 4) = -16
What is -12
Bob uses the equation m=3.5c - 25 to calculate how much he earns from a bake sale. m = earnings, c = cupcakes. If Bob sells 74 cupcakes, how much does he earn?
He earns $234
-x/12 = -216
What is 18
Bob has a party. The catering company charges $35 per guest. Bob spent $3000 on decorations, DJ and venue. Write an equation to describe how much the party will cost, based on number of guests attending.
C = cost
g = guest
C = -35g - 3000
−90 = 3k
What is -30
10 − 6v = −62
What is 12
-2(2x + 5) = 60
What is -35/2
Ted is getting married. The caterers charge $75 a person for dinner, and $12 a person for dessert. Write an equation to show how much Ted will spend on food in terms of guests / catering costs.
C = Cost
G = guests
C = 87g
m/4 = -10
What is -40
-4(-6 - 3x) = -24
What is -4
Bell charges $35 a month for phone use, plus $0.05 per minute of talking on the phone. If your bill costs $42.25, how many minutes did you talk on the phone?
B = bill
m = minutes
B = 0.05m + 35
m = 145
You talked on the phone for 145 minutes.
−11x = −132
What is 12
-4( 5 - 10x) = 3(12 + 8)
What is 2
Bob sells cupcakes to fund his McDonalds habits. Bob sells cupcakes for $3.50 and spends $25 a week on supplies. Bob wants to save money though, so he only allows himself to spend half of the money he earns. If Bob can spend $48 at McDonalds this week, how many cupcakes did he sell?
m = money earned
c = cupcakes sold
c/2 = 3.50c - 50
c = 14
Bob sold 14 cupcakes.