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OlgaM077 [116]
3 years ago
10

You have $5. If candy bars cost $0.75, what is the greatest number of candy bars you can buy

Mathematics
2 answers:
mr_godi [17]3 years ago
5 0
You can buy six candy bars, hope this helped!

serg [7]3 years ago
5 0
You can buy 6 candy bars. and have 50 cents left over. 

6 candy bars will cost you $4.50 which fits your budget.
7 candy bars will cost you *5.25 which is over your budget.

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Three times a number, less twice the number and 9 is 17. What is the number?
Harlamova29_29 [7]
I believe your answer is 8.

Three times a number less than twice the number and nine is seventeen can be written as: 3n - 2n + 9 = 17

Solve for n as follows:

3n - 2n = n 

n + 9 = 17

17 - 9 = 8

Hope this helps! :)
7 0
3 years ago
What's the perimeter?
-Dominant- [34]
The perimeter is 17 units! :D
8 0
3 years ago
Cristobal took 3 hours to wash five cars at this rate how many cars could you watch over a period of 45 hours
Airida [17]
You could wash 75 cars at this rate because 45/3 equals 15. You would multiply 5 by 15 and get 75.
8 0
3 years ago
hree TAs are grading a final exam. There are a total of 60 exams to grade. (a) How many ways are there to distribute the exams a
nalin [4]

Answer:

a. 205320

b. 34220

c. 60! / (35)! (25)! + 60!/ (40)!(20)! + 60!/ (45)! (15)!

Step-by-step explanation:

a) The number of ways to dustribute exams among the TA's is:

n / (n - r)!

n= number of things to choose from

r= Choosing r number

60P3= 60! / (60 - 3)!

(60)(59)(58)(57)! / (57)!

=205320

B) The number of ways to dustribute the exams among the TA's is:

n! /(n - r)! r!

60C3= 60! /(60 - 3)! 3!

= 60!/ 57! 3!

= 60 × 59 × 58 / 3 × 2 × 1

= 34220

C) The required number of ways is:

60C25 + 60C20 + 60C15

= 60! / (35)! (25)! + 60!/ (40)!(20)! + 60!/ (45)! (15)!

6 0
3 years ago
Please help me!!!!!!!!
strojnjashka [21]

Answer:

10) 1/11

11) 18/8 or 2 2/8 or 2 1/4

12) -8/5 or -1 3/5

Step-by-step explanation:

10) -6/11-(-5/11)=-6/11+(5/11)=<em>1/11</em>

11) 1 3/8-(-7/8)=11/8+7/8=18/8 or 2 2/8 or 2 1/4

12) -4/5-4/5=-8/5 or -1 3/5

4 0
3 years ago
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