Rational Numbers
-2 + 10
8
Solve for x.
3x + 10 = 40
x = 10
What is the probability of rolling a 4 on a 6 sided die?
1/6 or .17
Find 15% of 2500
375
Find the circumference of a circle with a diameter of 9.
28.26
2/3 x 4/6
SIMPLIFY
4/9
Solve for x
-5x > 20
x < -4
Find the mean of the following list of numbers:
35, 40, 33, 45, 32
37
Jesse runs a business with his friend Renee. Jesse receives 40% of the profits. If Jesse and Renee made $635 in a day, how much money would be Jesse's?
$254
635 x .40
Marissa spends $360 dollars on vacations over 3 days. How much money did she spend per day?
$120
Write 10/35 as a decimal to the nearest hundredth
0.29
Solve for x
5(3x - 5) = 80
x = 7
What is the range of the following list of numbers?
65, 72, 80, 61, 78
19
JA laptop cost $700 in 2020, and $815 in 2022. What is the percent increase in laptop cost from 2020 to 2022? (to the nearest tenth)
16.4
Find the area of a trapezoid with b1= 10 cm, b2= 15 cm, and h = 20 cm.
250 cm^2
On October 31st, it was 60 degrees. On November 1st, it was 45 degrees. What was the change in temperature?
15 degrees
Solve for x
15x - 8 - 3x = 16
x = 2
If a die is rolled 30 times, theoretically, how many times should a 1 be rolled?
5 times
Melinda bought a pair of shoes at the mall for $75.00. Her mom gave her a coupon for 30% off. How much will Melinda owe before tax?
$52.50
75 x .30 = 22.50.
75 - 22.50 = 52.50
If the circumference of a circle is 12pi, find the diameter, radius, and area.
d = 12
r = 6
A = pi(6)^2
A =113.04
Hannah has 21 brownies. She gives away 5 to a friend and then she bakes 2 more. She makes 6 boxes of her brownies. How many brownies will be in each box?
3 brownies per box
Solve for x
-3 + 5(2 + 6x) = -203
x = -7
A survey shows that 15 students out of 45 would prefer a four day school week to a five day school week. Approximately how many students could be predicted to prefer a four day week out of 100 students?
33 students
Jeremy and his friend went to a restaurant and spent $60 total. Tax in the area is 8%, and they wanted to tip 20%. How much did Jeremy and his friend owe total?
$76.80
Tax: 60 x .08 = 4.80
Tip: 60 x .20 = 12. Add these to $60.
OR 60 x 1.28 = 76.8
Jen cleans 2/3 of her dishes with 5/8 a bottle of dish soap. How much dish soap will Jen need to clean all of her dishes?
15/16