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sineoko [7]
3 years ago
6

Ryan spent $15 on a magazine and some notepads. If the magazine cost $5 and each notepad cost $2, then how many notepads did he

buy?
Mathematics
2 answers:
Anna [14]3 years ago
8 0

Answer:

Ryan purchased 5 notebooks

Step-by-step explanation:

you take away the cost of the magazine which leaves you with 10 then you divide 10 by the cost of the notebooks which is 2 and that leaves you with 5

Hope this helped!

Tamiku [17]3 years ago
3 0
Answer
If Ryan spent $15 on a magazine and some notepads, and the notepads each cost $2 and the magazine cost $5 then Ryan bought five notepads.

Explanation
Since we know that the magazine costs five dollars we take 15 in -5 dollars off of that. 15-5 = 10. Now that we have $10 left and we know that the notepads each cost two dollars we divide 10 by 2. 10÷2 = 5. This means that each notepad costs $2 and that he bought five of them. You can check your answer by reversing the equation. If you bought five notepads and they each cost two dollars you spend 10 dollars (5 x 2 = 10).




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The number of students in Mrs. Patrick's piano class decreased by 15% in 2 years to 17 students. How many students did she have
guapka [62]

Answer:

20 students

Step-by-step explanation:

If the class decreased by 15%, the students that she has now (17) represents a percentaje of:

100% - 15% = 85%

so<u> the 17 students are 85% of what she had</u>:

Students         Percentage

      17          ⇒        85%

and we are looking for how many students she had 2 years ago, thus we are looking for the <u>100%</u> of students (the original number of studens). If we represent this number by x:

Students         Percentage

      17          ⇒        85%

      x          ⇒        100%

and we solve this problem using the <u>rule of three</u>: multiply the cross quantities on the table( 17 and 100) and then divide by the remaining amount (85):

x = 17*100/85

x = 1700/85

x=20

2 years ago she had 20 students

6 0
3 years ago
PLEASE HELP FOR BRAINLIEST ANSWER!!!!!!!!
wel
X = 78 degrees



Explanation:
Using the alternate exterior angle of 33 degrees, the angle to the left of x would also be 33 degrees
Using this we add up 69 and 33 = 102
Then we would do 180-102 since a straight line has a total of 180 degrees
The answer would be 78 degrees
3 0
3 years ago
What are two numbers that multiply for 54 and add to give you -3
cupoosta [38]

Answer:

9 and -6 multiply to -54 and add to 3

Step-by-step explanation:

when listing the factors of 54, we can find a pair that add to 3

1, 2, 3, 6, 9, 18, 27 and 54

9 and -6 is the pair.

hope this helps! :D

have a miraculous day, and brainliest is immensely appreciated!! <3

3 0
3 years ago
You buy a lottery ticket to a lottery that costs $10 per ticket. There are only 100 tickets available to be sold in this lottery
riadik2000 [5.3K]

Answer:

Loss of $1.20

Step-by-step explanation:

The possible outcomes for this lottery and their probabilities are:

- a 1 in 100 chance of winning $450

- a 2 in 100 chance of winning $120

- a 4 in 100 chance of winning $30

- a 93 in 100 chance of losing $10

Therefore, the expected value of this lottery when buying one ticket is:

E(X) = \frac{1}{100}*\$450+ \frac{2}{100}*\$120+ \frac{4}{100}*\$30-\frac{93}{100}*\$10 \\E(X) = -\$1.2

Therefore, you are expected to lose $1.2 per ticket.

3 0
3 years ago
Sue's ice cream has 6 more scoopsthan Tessa's ice cream cone.
Tasya [4]

Answer:

Tessa has 3 ice-cream scoops

Step-by-step explanation:

4 0
3 years ago
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