Answer:
Step-by-step explanation:
As we have to find an efficient way for the probability as follows:
First of all we will find the remaining part of the probability that is:
As the given probability is inclusive of 60 so the formula used will be:
Now going back to the actual probability, the formula used will be:
(Because the total probability is always 1)
I hope it will help you!
Answer:
$577.27
Step-by-step explanation:
When offered 15% discount, buyer will then pay 100-15=85% of the original price hence the price offered by seller will be
0.85*$630=$535.5
Now this price is subjected to a tax of 7.8%, equivalent to 0.078 hence the buyer pays 1.078 of $535.5
1.078*$535.5=$577.269
Rounded off, this is equivalent to $577.27
Answer:
the first one i think
Step-by-step explanation:
An estimate helps you because you round 3.9 to 4 and 5.3 to 5 so then you can give a rough estimation
Answer:
Step-by-step explanation:
A certain NYC taxi driver has decided to start charging a rate of r cents per person per mile
rate is cents . convert it in to dollars
1 cent = 1/100 dollars
r cents = r/100 dollars
Each people travels x miles
cost is 
For 3 people the cost is
Discount is 50%, so we divide by 2
