Driver Code
$ lowCost = 14 ; $ upCost = 30 ; $ lowQuant = 5 ; $ upQuant = 12 ; $ r = 9 ; if ( isRatioPossible ( $ lowCost , $ upCost , $ lowQuant , $ upQuant , $ r ) ) echo " Yes " ; else echo " No " ; # This  code is contributed by ajit NEW_LINE ? >