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asambeis [7]
3 years ago
8

Have x 50 notes and y N100 notes. There

Mathematics
2 answers:
Illusion [34]3 years ago
5 0

Answer:

hi

Step-by-step explanation:

hi

slava [35]3 years ago
5 0
You need to use simultaneous equations to solve this problem since there are 2 variables.

1. 50x + 100y = 550 (value of the notes x the number of each note)

2. x + y = 8 (the number of each note added).

3. Multiply the second equation by 50 so that it the x variables are the same in both equations. Thus, 50x + 50y = 400.

4. Subtract 50x + 50y = 400 from 50x + 100y = 550.

5. The subtraction results in 50y = 150.

6. Divide by 50. y = 3, so x must equal 5.
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