A Word Problem That Makes You A World Mathematician - Education - Nairaland
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| A Word Problem That Makes You A World Mathematician by Tahtah(op): 6:54am On Nov 19, 2016 |
A cyclist cycles for x hours at 12km/hour and y hours at 18km/hour. Altogether she cycles 78km in 5hours. Find x and y |
| Re: A Word Problem That Makes You A World Mathematician by extwoo(m): 7:18am On Nov 19, 2016 |
What is the Cyclist looking for Up and Dan. |
| Re: A Word Problem That Makes You A World Mathematician by Tahtah(op): 7:20am On Nov 19, 2016 |
extwoo:It is a problem that requires a quick solution |
| Re: A Word Problem That Makes You A World Mathematician by Nobody: 7:31am On Nov 19, 2016 |
Tahtah:Distance Equation: 12x + 18y = 78 km Time Equation:::: x + y = 5 hours Multiply thru the Time Equation by 12: 12x + 18y = 78 12x + 12y = 60 Subtract and solve for "y": 6y = 18 y = 3 Solve for "x" using x + y = 5 x + 3 = 5 x=2 3 Likes |
| Re: A Word Problem That Makes You A World Mathematician by Nobody: 7:43am On Nov 19, 2016 |
Sugarhugs:Hmmmm ! i'm surprised. |
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