Answer: $16.15
Explanation:
Discount = 10% x $8.50 = 0.1 x $8.50 = $0.85
Price after discount = $8.50 - $0.85 = $7.65
Total Amount = $8.50 + $7.65 = $16.15
Pick any number that at bigger than 2.5 like 3 and 3.5
3 sides are 2w+3
3 sides are 3w-2
w=2
2w+3=2(2)+3=4+3=7
3w-2=3(2)-2=6-2=4
3*7+3*4=21+12=33
perimiter is 33 cm