Alejandro has 3 times as many $20 bills in his wallet as he has $5 bills. He also has twice as many $1 bills than $20 bills. If he has a total of $142 in his wallet, how much money does Alejandro have in $1 bills?
a)$2
b)$6
c)$10
d)$12

$12 in 12 $1 bills

Step-by-step explanation:

Let the number of $1 bills be x.

Amount of money in $1 bills is $x.

Alejandro has twice as many $1 bills than $20 bills, then Alejandro has $20 bills.

Amount of money in $20 bills is

Alejandro has 3 times as many $20 bills in his wallet as he has $5 bills, then Alejandro has $5 bills.

Amount of money in $5 bills is

If he has a total of $142 in his wallet, then

Multiply this equation by 6:

12*c

step-by-step explanation: