A shark swims at a speed of 25 miles per hour . The shark rests after 40 miles . How , in minutes , does the shark swim before resting ?

1hr 36 minutes

Step-by-step explanation: Time = Distance / Speed

x = 40/25

x = 1 3/5

3/5 of 1 hour is 36 minutes

The answer is 1 hr and 36 minutes

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2

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step-by-step explanation: