Rewrite it so that it has a better structure and avoids redundancy. You may wish to introduce a method to help capture redundant code.

Scanner console $=$ new Scanner $($System$.$in$)$;

System.out.print$("$How much will John be spending? $")$;

double amount $=$ console.nextDouble$()$;

System.out.println$()$;

int numBills$1=($int$)($amount $/20\mathrm{.}0)$;

if $($numBills$1*20\mathrm{.}0<$ amount$)\{$

numBills$1++$;

$\}$

System.out.print$("$How much will Jane be spending? $")$;

amount $=$ console.nextDouble$()$;

int numbills$2=($int$)($amount $/20\mathrm{.}0)$;

if $($numBills$2*20\mathrm{.}0<$ amount$)\{$

numBills$2++$;

$\}$

System.out.println$("$John needs $"+$ numBills$1+"$ bills"$)$;

System.out.println$("$Jane needs $"+$ numBills$2+"$ bills"$)$;