Equations
What is the solution to the equation?
2(n + 3)= 7
-6.5
Solve:
5 - 8 > z + 4
-7 > z
A CD costs $15.50 before tax. What is the total cost after a 6% sales tax is added?
16.43
An item that regularly sells for $640 is marked down to $512.
What is the discount rate?
20%
Jessica chose a fruit cup and a salad as the side dishes with her lunch every day for 15 days.
Each fruit cup cost $0.75
Each salad cost $1.50
What was the total cost of Jessica’s side dishes for 15 days?
33.75
Sierra is buying treats for her birthday party. She can spend no more than $70 on cookies that cost $7.50 per box. How many boxes of cookies can Sierra purchase?
Up to 9 boxes
A movie ticket costs $9 each, and snacks cost $4. You have no more than $50 to spend. How many tickets can you buy?
Write and solve an inequality
9x + 4 < or equal to 50
5
Christian got a haircut yesterday afternoon. If the hair stylist charged $18 and Christian gave a 20% tip, how much did he pay for the haircut?
21.60
A laptop originally priced at $1,200 is on sale for $990.
What percent discount is being offered?
17.5%
Evaluate:
48 divided by (6 + 2) x 5
30
Twelve is added to a number and then the sum is multiplied by 4/5 to give 23.6. What is
the number?
17.5
You already have $35 saved. Each week you save $12. You want to have at least $155.
Write and solve an inequality
12x + 35 > or equal to 155
10
Marisol bought a scooter. The 8% sales tax on the scooter was $10.50. What was the total cost including the sales tax?
141.75
A bicycle that normally costs $850 is now priced at $935.
What is the percent increase?
10%
7.5 + 3.2 × 4
20.3
A taxi company charges its passengers a fee of $3.75 plus $2.25 per mile. Melissa's taxi fare is $38.85. How many miles did Melissa ride in the taxi?
5.6
A gym charges a $40 sign-up fee and $18 per month. You can spend at most $220 total.
Write and solve an inequality
18x + 40 < or equal to 220
10
A restaurant bill is $64.50. There is a 7% sales tax, followed by a 15% tip based on the original bill.
What is the total amount paid?
78.69
A phone that originally costs $760 is now priced at $874.
What is the percent increase?
15%
3/4 + 5/8
1 3/8
Solve:
4(x + 3) + 3(5 - x) = 17
-10
A teacher has $120 to spend on notebooks. Each notebook costs $3.50, and there is a $15 shipping fee.
Write and solve an inequality
3.50x + 15 < or equal to 120
30
Danielle bought a set of mixing bowls yesterday. They originally cost $23. She had a coupon for 5% off and the sales tax rate is 5%.
22.94
A gaming console originally priced at $680 is now selling for $748.
What is the percent increase?
10%
6 - 3/5 x 10
0