n + 7 = 10
1) write a scenario
2) solve - include steps used to solve
1) ..............
2) n = 3, subtract 7 from both sides
k - 9 = 20
k = 29
x > 7 = 10
x > 17
The temperature has to be more than 95 degrees
t > 95
The bill at the restaurant was $120. Four people pitched in evenly to pay the bill. How much did each person pay? Define the variable, write an equation, and solve.
x = amount each person paid
4x = 120
x=30
3t=120
1) write a scenario
2) solve - include steps used to solve
1) ................
2) t=40, divide both sides by 3
3r = 90
r = 30
2n > -16
n > -8
You have to be at least 48 inches to go on the ride at Disney World
x ≥ 48
It costs $40 to enter the fair. Each ride costs $2.50 to go on. Joe spent $90 total at the fair. How many rides did he go on? Define the variable, write an equation, and solve.
r = amount of rides
2.50r + 40 = 90
r = 20
2n + 6 = 50
1) write a scenario
2) solve - include steps used to solve
1) .............
2) n=22; subtract 6 from both sides, divide both sides by 2
1/2p = 40
p =80
2/3d < 10
d < 15
Children 2 years and younger can enter the park for free
a ≤ 2
Kevin spends $12 downloading songs. Each song costs $0.75 to download. How many songs did Kevin Download? Define the variable, write an equation, solve.
s=songs downloaded
0.75s = 12
s = 16
h/8 + 3 = 7
1) write a scenario
2) solve - include steps used to solve
1) ...........
2) h=32; subtract 3 from both sides, multiply both sides by 8
9n - 10 = 26
n = 4
6h + 3 < 45
h < 7
It has to be 32 degrees or less for the backyard rink to freeze over
t ≤ 32
Each candy bar costs $1.50. The total amount spent on candy bars cannot be more than $45. How many candy bars can be purchased? Define the variable, write an inequality, solve.
c = amount of candy bars
1.50c ≤ 45
c ≤ 30
-2s + 140 = 100
1) write a scenario
2) solve - include steps used to solve
1)................
2) s = 20; subtract 140 from both sides, divide both sides by -2
v/-5 + 3 = -8
v = 55
r > -15
The total amount allowed to participate in the club has to be under 40 students
s < 40
The seventh grade class is putting on a variety show to raise money. It cost $700 to rent the banquet hall that they are going to use. If they charge $15 for each ticket, how many tickets do they need to sell in order to raise at least $1000? Define the variable, write an inequality, solve.
t = tickets
15t - 700 ≥ 1000
t ≥ 114