Integer Rules/ Percents
1. The temperature at noon was -9. By to pm the temperature decreased by 3.7. What is the temperature?
-12.7
6. Solve for x
4x - 7 = 25
x = 8
8. Find the solution.
2x + 10 < 40
x < 15
2. How can you determine if there is a constant within a table?
y/x and the answers have to match.
4. Target discounts 30% off holiday decor. Your price is $29.99.
A. How much do you save?
B. How much do you pay?
A. $9
B. $20.99
5. Find the sum of -3.2 and 9
5.8
7. This month she earns $1300 in commission, which is $750 more than last month.
Write AND solve an equation.
m + 750 = 1300
m = 550
10. What is the inequality if the graph is a closed circle on -1 going to the right?
x > -1
3. Allison says a graph is only proportionate if it's a straight line, starting anywhere on the graph. Is she correct? Explain.
No, the graph has to start at the origin
14. The river goes from 15 feet to 18 feet. What is the percent increase?
20% increase
19. Find retail price for an item that is $15 with a 15% markup.
$17.25
9. $20 to get into the state fair and then $2.50 for each ride. How many rides can she go on if she spends $35?
Write AND solve an equation.
20 + 2.50r = 35
r = 6
11. Solve and graph.
-3x + 5 < 14
x > -3
Open at -3 to the right.
12. A recipe uses 1/2 cup of sugar. How much sugar will there be if you triple the recipe?
1 1/2 cups
17. How much interest is earned in 3 years on an investment of $4000 if the interest rate is 4%?
$480
15. How much is this person saving this week?
(Look at study guide)
$30
20. 45% off your total of $55.63. What is your total?
$30.60
13. Solve and graph
x/5 - 10 < -13
x < -15
Open at -15 to the left
16. 3.7 pounds of grapes for $5.40. How much will 3 pounds cost?
$4.38
20. Bill is $40.50 before tax. Tax is 6% and you are tipping 15%. What is the amount you pay?
$49.01
17. What is the percent decrease from 45,000 to 30,000?
33% decrease
22. $900 with 3% interest.
How much interest after 5 years? What is the total after 5 years?
$135 interest
$1035 total
24. What is the equation of the chart.
(Look at the study guide)
y = 12x
25. Brand A has 120 mg of sodium in 1/3 of a cracker. Brand B has 170 mg of sodium in 1/2 of a crack. Which brand has LESS?
Brand B, 340 mg
23. Your total is $45.83. 15% off coupon and 6% sales tax. How much is the total?
$41.30