SOLUTION: Joe has a collection of nickles and dimes that is worth $7.05. If the number of dimes were doubled and the number of nickels were increased by 7, the value of the coins would be $1
Algebra.Com
Question 585807: Joe has a collection of nickles and dimes that is worth $7.05. If the number of dimes were doubled and the number of nickels were increased by 7, the value of the coins would be $13.30. How many dimes does he have?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of nickels
Let = number of dimes
given:
(1) ( in cents )
(2)
--------
(2)
(2)
Subtract (1) from (2)
(2)
(1)
and, since
(1)
(1)
(1)
(1)
(1)
He has 23 nickels and 59 dimes
check:
(2)
(2)
(2)
(2)
OK
RELATED QUESTIONS
Joe has a collection of nickels and dimes that is worth $7.05. If the number of dimes... (answered by stanbon)
joe has collection of nickles and dimes woth 7.05. if number of dimes were doubled adn... (answered by josmiceli)
Joe has a collection of nickles and dimes that is worth $6.05. If the number of dimes... (answered by josmiceli)
joe has a collection of nickels and dimes worth $7.05. if the number of dimes were... (answered by ankor@dixie-net.com)
Word problem; Joe has a collection of nickles and dimes that is worth $6.05. If the... (answered by solver91311)
Joe has a collection of nickels and dimes that is worth $5.60. If the number of dimes... (answered by stanbon)
Joe has a collection of nickels and dimes that is worth $9.6.If the the number of dimes... (answered by scott8148)
joe has a collection of nickels and dimes thats worth $7.25. if the number of dimes were... (answered by ewatrrr)
Joe has a collection of nickles and dimes worth $6.20. If the number of dimes was doubled (answered by ewatrrr)