Question

i need this answer whenever if some one can do it for me...

Answer 1

speed = distance/time

speed is constant so

d1/t1 = d2/t2

2 ⅓/ 3½ = d2/38

d2 = 14/ 21 =2/3 ×38 = 25.33 miles

in 38 minutes car can travel 25.33 miles

2/3 = d2/60

d2 = 2/3 ×60 =40 miles

in 1hr car can travel 40 miles

Answer 2

Step by step explanation

2 1/3 miles in 3 1/2 minutes = 7/3 miles in 7/2 minutes

that's (7/3)/(7/2) = (7/3)*(2/7) = 2/3 miles per minute

in 38 minutes, it goes 38 x 2/3 = 76/3 = 25.33 miles

in 1 hour = 60 minutes it goes 60 x 2/3 = 20 x 2 = 40miles

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