2,640 this year
2,112 last year
the 1760 is 20% less than - so 120% of 1760 is the previous year:
1760 * 1.2 = 2112
2112 increased by 25% is a total of 125%:
2112 *1.25 = 2640
Answer: 4x
Step-by-step explanation: Move all terms that don't contain y to the right side and solve. y = 4x
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She placed 6 ribbons
2 at the ends and 5 every 3 meters