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vaieri [72.5K]
3 years ago
8

St 2

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
3 0

Answer:

$5.5

Step-by-step explanation:

6 * N (notebook) + 3 * P (pen) = 27

n = 1.5 +P

6 * (1.5 + P) + 3 * P = 27

9 +6p +3p = 27

9p = 18

p (pen): $2

N (notebook): $3.5

combined cost of 1 pen and 1 notebook: $2 + $ 3.5 = $ 5.5

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Draw or add images here
Elodia [21]

Answer:

jonathan

Step-by-step explanation:

if for example jonathan spends 5 hours of homework or reading he'll get 3 hours of gaming. if lucas spends the same amount of time on homework or reading he'll only get 2 and a half hours playing.

8 0
2 years ago
Write a system of equations in x and y describing the situation. Do not solve the system. Keiko has a total of $ 5600 comma$5600
IgorLugansk [536]

Answer:

The correct answers are x + y = 5600 and x - y = 700.

Step-by-step explanation:

Write a system of equations in x and y describing the situation. Do not solve the system.

Keiko has a total of $ 5600, which she has invested in two accounts.

Let x be the amount of money in the larger account and y be the amount of money in the smaller​ account.

So, Keiko has invested her $5600 in two accounts x and y.

Thus x + y = 5600.

Also, given by the problem, the larger account (x) is $ 700 greater than the smaller account (y).​

Thus x - y = 700.

Thus the two system of equation in x and y describing the given situation are

x + y = 5600 and x - y = 700

8 0
3 years ago
Candy selling at six dollars per pound will be mixed with candy selling at nine dollars per pound how many pounds of more expens
podryga [215]

The 15 lbs at $7=$105

So multiple 5x9 as a test and check results. 105-45=60

Here you can see that 60 is a factor of 6 by 10 so you got lucky and got the answer of 10lbs at $6 & 5lbs at $9=15 lbs at $7 average

3 0
3 years ago
To increase an amount bu 17.5%what single multiplier would i use ?
-Dominant- [34]
That would be 1.175  Answer
3 0
3 years ago
I don’t under this .
melomori [17]

Answer:

The answer is QR,RS, and ST

Step-by-step explanation:

i hope this helps .

6 0
3 years ago
Read 2 more answers
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