A car traveling with 5/7 of its actual speed covers 42 km in 1 hr 40 min
48 sec. What is the actual speed of the car?
Pick one
A) 30 km/hr  B) 35 km/hr  C) 25 km/hr  D) 40 km/hr  E) 45 km/hr
time 1 hr 40 min 48 sec   = 1 hr + 40/60 hr + 48/3600   1 +2/3+1/75=126/75   distance = 42 km   speed = 42 * 75 /126= 
<gadget id="calculator">42 * 75 /126</gadget>
<output>25</output>
25 km/hr   that is 5/7 of the actual speed= 25   actual speed = 25 * 7/5= 
<gadget id="calculator">25 * 7/5</gadget>
<output>35</output>
35 km/hr   ANSWER 35 km/hr
<result>B</result>
A car traveling with 5/7 of its actual speed covers 42 km in 1 hr 40 min
48 sec. What is the actual speed of the car?