Answer:
10 miles
Step-by-step explanation:
Given: Boat goes [tex]\frac{3}{4}[/tex] hours with 8 mph (i)
Boat goes [tex]\frac{1}{3}[/tex] hours with 12 mph (ii)
Now, lets find out distance separately to get total distance.
Formula for finding distance is
D= [tex]Speed\times time[/tex]
D= [tex]\frac{3}{4} \times 8[/tex] (i)
D= [tex]3\times 2[/tex]
∴ D1= 6 miles (i)
D= [tex]\frac{1}{3}\times 12[/tex] (ii)
∴D2= 4 miles (ii)
To find total distance, we will add d1 and d2
Total distance = [tex]d1 + d2[/tex]
∴ Total distance = [tex]6 + 4[/tex]
= 10 miles is the total distance covered by boat in all this time.