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d26dbf036a
Spaces tend to cause annoyances in a Unix-style shell environment. This change fixes that.
35 lines
868 B
Perl
Executable File
35 lines
868 B
Perl
Executable File
#!/usr/bin/perl
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use strict;
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use warnings;
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print ' 'x33 ."TRAIN\n";
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print ' 'x15 ."CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n";
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print "\n\n\n";
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print "TIME - SPEED DISTANCE EXERCISE\n"; print "\n";
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my $A= ""; #We must declare this before...
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do {
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my $C= int(25*rand(1))+40;
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my $D= int(15*rand(1))+5;
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my $T= int(19*rand(1))+20;
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print " A CAR TRAVELING $C MPH CAN MAKE A CERTAIN TRIP IN\n";
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print "$D HOURS LESS THAN A TRAIN TRAVELING AT $T MPH.\n";
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print "HOW LONG DOES THE TRIP TAKE BY CAR\n";
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chomp ($A = <STDIN>);
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my $V= $D*$T/($C-$T);
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my $E= int(abs(($V-$A)*100/$A)+.5);
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if ($E>5) {
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print "SORRY. YOU WERE OFF BY $E PERCENT.\n";
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} else {
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print "GOOD! ANSWER WITHIN $E PERCENT.\n";
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}
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print "CORRECT ANSWER IS $V HOURS.\n";
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print "\n";
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print "ANOTHER PROBLEM (YES OR NO)\n";
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chomp ($A = uc(<STDIN>)); #Uppercased
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} until ($A ne "YES");
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