Number System
Solve for x: -2(x-3)=18
x=-6
A car travels 40 miles in 20 minutes. Write an equation to represent the relationship between time, m, and the distance travelled, D.
D=2M
Sami paid $180 for a new pair of sneakers, and this cost included a 25% discount. What was the cost of the sneakers before the discount was applied?
$240
You flip a coin twice, what is the probability of landing on heads both times?
1/4
Find the mean of the following values:
5,7,9,10,2,3
6
solve for x: 7x-8=41
x=7
If 30 boxes of Takis costs $54.00, how much does one box cost?
$1.80
Ms. Arvelo was shopping at target. She bought a lamp that originally costs $45. She has a 20% coupon. How much money does she save on the lamp?
$9
You spin a spinner with 4 equal sections labelled 1-4. You then flip a coin. What is the probability of landing on the number four and flipping tails?
1/8
Find the median:
15,11,3,8,9,20,7
9
solve for x: 5(2x-3)=45
x=6
If 4 books cost $9.00, how much does 7 books cost?
$15.75
Nadia went shopping. She had a buy one full price get the second of equal or lesser value 75% off. She wants to buy two pairs of sneakers that both cost $100 dollars. How much does Nadia spend?
$125
You roll a die twice. What is the probability of landing on an even number both rolls?
1/4
What is the range:
2,4,6,8,10,15,27
25
Simply if the expression:
-3(-4 + 7x - 5y) + (-2x)
12 + -23x + 15y
If 5 bracelets cost 76.25. How much does 2 bracelets cost?
$30.50
Ms. Craveiro was buying new supplies for the science lab at a teacher store. She had a 20% off coupon. The store was also giving teachers an extra 10%. How much did Ms.Craveiro pay if the original cost of her supplies was $150 dollars?
$108
1/12
What is the MAD of the following values:
3,5,6,8,9,11
2.3333333...