SOLUTION: THE DISTANCE BTW TOWNS M AND M IS 280KM, A CAR AND A LORRY CTRAVEL FROM M TO N. THE AVERAGE SPEED FOR THE LORRY 20KM/HR LESS THAN THAT OF THE CAR. THE LORRY TAKES 1 HR 10MIN MORE T

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Question 1101374: THE DISTANCE BTW TOWNS M AND M IS 280KM, A CAR AND A LORRY CTRAVEL FROM M TO N. THE AVERAGE SPEED FOR THE LORRY 20KM/HR LESS THAN THAT OF THE CAR. THE LORRY TAKES 1 HR 10MIN MORE THAN THE CARTO TRAVEL FROM M TO N.
A) IF THE SPEED OF THE LORRY IS X KM/HR , FIND X?
B) THE LORRY LEFT TOWN M AT 8:15AM . THE CAR LEFT TOWN M LATER AND OVERTOOK THE LORRY AT 12:15PM. CALCULATE THE TIME THE CAR LEFT TOWN M.
Found 2 solutions by richwmiller, josgarithmetic:
Answer by richwmiller(17219) About Me  (Show Source):
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Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
Part B makes the question part A answerable. Otherwise the description gives one equation in two unknowns.
Problem description inconsistent or incomplete.