#### 3.87
Related Articles
- Day 2 = x + 0.2x = 1.2x.
- Day 3 = 1.2x – 0.25(1.2x) = 1.2x × 0.75 = 0.9x.
- Total: x + 1.2x + 0.9x = 3.1x = 12 → x = 12 / 3.1 ≈ <<12/3.1=3.871016129032258>>3.87 (rounded to two decimals).
- Pete walks 0.8 miles to school each day. He walks 5 days a week, but during the summer, he triples his daily distance. How many more miles does he walk in 4 weeks during summer compared to a regular 4-week school period?
- Regular weekly distance: 0.8 × 5 = <<0.8*5=4>>4 miles.
- Summer daily distance: 0.8 × 3 = <<0.8*3=2.4>>2.4 miles.
