A car travelled a distance of (2x 13)km at 67•5km/h and (5x–20)km at 72km/h.If the...
A car travelled a distance of (2x 13)km at 67•5km/h and (5x–20)km at 72km/h.If the...
A car travelled a distance of (2x 13)km at 67•5km/h and (5x–20)km at 72km/h.If the total time for the entire journey was 90minutes. Find the value of x?
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