Answer:
$400
Step-by-step explanation:
Hi we have to use the Rule of the Three
The price that we paid represents the 80% of the original prize
Hence we have that
$320⇒80% (.8)
$x⇒100%(.1)
As we know we have to multiply diagonally and divide with the one in the corner
So we have (320)*(1 )=320 and then divide
Hence the original price was $400
Answer:
400
Step-by-step explanation:
320/(1-0.2)=Original price
400x0.8=320
B) $0.20 per year
C) $0.50 per year
D) $0.80 per year
Answer: B)$0.20 per year
Step-by-step explanation:
Given: The previous price of a gallon of milk = $2.70
The new price of a gallon of milk = $3.50
Time to increase price = 4 years
Now, the rate of change of price of milk is given by:-
Hence, the rate of change of the price of milk= $0.20 per year
A. 33.3%
B. 40%
C. 60%
D. 80%
Answer:
3/12 so 25% probabilty
Step-by-step explanation:
Since there are only 3 mystery books, so the probability of Ella picking one is 3/12. Simplified, this would be 1/4, as a decimal, 0.25, and as a percent, 25%.