You have a limit of $300 that you can spend for a rental car on your vacation this summer. You have found a deal where you can rent a car for a daily rate of $30 plus a fee of $0.20 per mile driven. If you want to be able to keep the car for four days, how many miles can you drive?
Answers
you can get the equation
4(30+0.20x) < 300
the 4 represents that it is within 4 days, the 30 is the daily fee, the 0.20 is the rate of per mile driven per day, and the 300 is how much money you have left to spend.
now we solve for x, first distribute the 4 into the parenthesis
120 + 0.80x < 300 then subtract 120 from both sides
-120 -120
and get 0.80x < 180 then divide both sides by 0.80
/0.80 /0.80
therefore x = 225
so you can drive 225 miles.
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Donna has 8 CDs that she is going to give away. She lets her best friend choose 2 of the 8 CDs. How many different groups of 2 CDs are possible?
PLEASE HELP!!!!!!Which of the following experiments could be used to simulate an event in which the probability of success, P(success), is 0.65 and the number of successes out of 20 events is desired? A, Use a spinner that is divided into five equal parts. Choose three colors for successful; the other two colors represent unsuccessful. Spin the spinner 20 times, once for each event. B. Use a random number table consisting of the digits 0 through 9, with digits 0 through 3 representing successful and the remaining digits, 4 through 9, representing unsuccessful. Choose 20 digits, one for each event. C. Roll a 10-sided die. Let 1 through 5 represent successful and the values 6 through 10 indicate unsuccessful. Roll the die 20 times, once for each event. D. Count out 65 yellow beads and 35 pink beads. Select 20 of these beads at random. Let a yellow bead represent successful and a pink bead represent unsuccessful.
Multiply. –7 ∙ 8a. –56b. –1c. 1d. 56
Finding the product of 26 and 17 means to add 26+17
Answers
Answer:
2T/9
Step-by-step explanation:
A construction manager needs 12 workers to complete a building project in 54 days, we can write;
12 workers = 54 days
T find the number of workers needed to complete the same project in T days, we will write;
x workers = T days
Divide both equations
12/x = 54/T
Cross multiply
12T = 54x
x = 12T/54
x = 2T/9
Hence the number of workers needed to complete the same project in T days is 2T/9 workers
Answers
280 - 25% = 280 * .75 = $ 210.00
Answers
Answer:
There are 72 books on all the three shelves.
Step-by-step explanation:
Given:
On the bottom shelf there are half as many books as on the other two shelves.
On the middle shelf there are three times less than on the other two shelves.
On the top shelf there are 30 books.
Now, to find the books on all three shelves.
Let the books on the middle shelf be
The books on the top shelf are 30.
The books on the bottom shelf =
So, the books on the middle shelf:
Multiplying both sides by 2 we get:
Subtracting both sides by we get:
Dividing both sides by 5 we get:
Thus, the books on middle shelf are 18.
Now, to get the books on the bottom shelf by substituting the value of :
Hence, the books on the bottom shelf are 24.
Now, to get the total books on all the three shelves we add the books of top, middle and bottom shelf:
Therefore, there are 72 books on all the three shelves.
Answers
-15/2 is the answer, Hope this helps;)
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1) In a week, the eagle eats 3.85 kilograms
2) there are 7 days in a week
3) on each day, the eagle eats the same amount.
This means that in order to find out how much was eaten on each day, we need to divide the whole week's food by the number of days in a week:
3.85/7= 0.55
(3.85=3.5+0.35 and 5*7=55, so (3.5+0.35)/7=0.5+0.05=0.55
Every day the eagle eats 0.55 kilograms of meat!
Answers
Let Brandon's age be = b years
Let Michael's age be = m years
As Michael is 12 years older than Brandon, Michael's age, so
Seventeen years ago, Michael was 4 times as old as Brandon, so
Substitute m=b+12
Hence, Brandon's age is 21 years
As m=b+12
Hence, Michael's age is 33 years.