the complete question is Peter's allowance is the same every month.Each month Peter spends $114 and saves the rest.He saves $432 in a year.What Percent of his allowance does Peter save every month
let x------> Peter's allowance we know that 432=(x-114)*12------< 432=12x-1368----> 12x=432+1368 12x=1800 x=1800/12 x=$150 Peter save every month-------> 150-114-----> $36
if $150---------> 100% $36----------> x x=36*100/150-----> x=24%
