Answer:
B
Step-by-step explanation:
B) The price was increased by 40% and then decreased by 15%.
Answer:A
The mean is the average of all numbers, in this example it's to national averages which will have many numbers.
Answer:
14/20 or .7 or 70%
Step-by-step explanation:
Total Number of cards: 20
Number of Red cards: 6
The leftover cards: 20 -6 = 14
The probability of not getting a red = 14/20
14/20 as a decimal = 14/20 = 70/100 = .7
14/20 as a percent = 14/20 = 70/100 = 70%
Answer:41 − 45; 46 − 50; 51 − 55; 56 − 60
Step-by-step explanation:
Compatible numbers are numbers that are close in value to the actual numbers and easy to add, subtract, multiply, or divide mentally. They are useful in estimating the sum, difference, product, or quotient.