Question 989731
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F=number of $5 bills; N=number of $1 bills=2F; 
T=number of $10 bills=F-1
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$1(N)+$5(F)+$10(T)=$58
$1(2F)+$5(F)+$10(F-1)=$58
$2F+$5F+$10F-$10=$58
$17F=$68
F=4 ANSWER 1: He got four $5 bills.
N=2F=2(4)=8 ANSWER 2: He got eight $1 bills.
T=F-1=4-1=3 ANSWER 3: He got three $10 bills
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CHECK:
. 
$1(N)+$5(F)+$10(T)=$58
$1(8)+$5(4)+$10(3)=$58
$8+$20+$30=$58
$58=$58