A car travels at a constant rate r. Write an equation to calculate the distance

Question

A car travels at a constant rate r. Write an equation to calculate the distance (d) it will travel in (h) 4 hours. Solve the equation if the time is 2 hours and the speed is 100 kilometers per hour. A) d = r + t: d = 50 kilometers B) d = r + t: d = 102 kilometers C) d = rt: d = 200 kilometers D) d=rt: d= 200 miles Susan's backyard is rectangular with dimensions 36 yd by 72 yd. Carlos's backyard is rectangular with dimensions 27 yd by 47 yd. How much larger is the area of Susan's backyard than the area of Carlos's backyard? A) 1323 yd^2 B) 68 yd^2) 3861 yd^2 D) 2592 yd^2

Explanation / Answer

48.

option C

d = rt

t = 2 hrs, r = 100km/hr so d = 200 km   

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