After 1st year the value of the bike is 35% less, worth 65% of the original price: 0.65*600 = 390
2nd year 65% of 390
.65*390 = 253.5
2. The markup as a percentage of the original price is 8%
3. The price is $26.46
4. The selling price is $2.85
5. He paid $237
6. The percentage discount is 25%
Hope this helps
Plug 1 in for x to get 7y=3(1)-7
7y=-4
y=-4/7