3x-8+6x=7
9x-8=7
9x=15
x=9/15
x=3/5
Distance = Speed × Time
Distance = (4.5 mi)/(0.75 h) × (3.5 h) = 21 mi
The walker will cover 21 miles in 3.5 hours at that pace.
Answer:
1790.06204 = 1 × 1000 + 7 × 100 + 9 × 10 + 0.6204
18.5376= 1 × 10 + 8 + 0.5376