SOLUTION: lynn has 159$ in her purse consisting of 20, 5 and 1s'. the number of 20s is the same as the 1s and 5s if she has 14 bills how many of each does she have?

Question 600618: lynn has 159$ in her purse consisting of 20, 5 and 1s'. the number of 20s is the same as the 1s and 5s if she has 14 bills how many of each does she have?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of 1's
Let = number of 5's
Let = number of 20's
given:
(1)
(2)
(3)
------------------------
Substitute (1) into (2) and
(1) into (3)
(2)
(2)
(2)
and
(3)
(3)
(3)
Multiply both sides of (2) by
and subtract (2) from (3)
(3)
(2)

and
(2)
(2)
(2)
and
(1)
(1)
(1)
She has 4 ones, 3 fives, and 7 twenties
check:
(3)
(3)
(3)
(3)
OK
RELATED QUESTIONS
if ben has 932$ total but only 468 bills consisting of only $5s and $1s how many of each... (answered by MathLover1)

. Paul has $160 worth of $20 bills. He has half as many 10s as he does 20s. He has half... (answered by macston)

Elisa has $151 in her wallet, consisting of $20, $5, and $1 bills. The number of $20... (answered by josmiceli)

A man has only 5, 10 and 20 dollar bills in his purse. If in all he has 13 bills... (answered by Edwin McCravy)

Suppose you spend $23 and you pay with a $50 bill. The cashier gives your change in... (answered by josgarithmetic,MathTherapy)

if 9 1s subtracted from half of a certain number the result is the same as when 1/3 is... (answered by sudhanshu_kmr)

12rs - 5s - 6rs = (multiple choice) * 1rs * 6r - 1s * 6rs - 5s * 6r + 1s what... (answered by ichudov)

1. David wants to purchase a new guitar. The cost of a guitar is $299. David has saved... (answered by ikleyn)

Throwing with the wind, a quarterback passes a football 70 ft in 1s. Against the wind,... (answered by ankor@dixie-net.com)