
___________

____________

____________
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Tags: <em>set theory divibilility divisible integers union intersection</em>
0.1
1*100 = 100
100/1000
=0.1
Answer:
500
Step-by-step explanation:
Define listed price = C
Based on the term, to have the balance on both plan, the equation is 30+90%C = 80+80%C
- 30+0.9C=80+0.8C
- 0.1C=50
- 1C = 500