Home Home



Home > Grades K-2 > Math > Math Challenge >















 

Money Secrets

Problem #61
Deadline to submit the solution: February 28th, 2002

 

When David was asked how much money he has, he said:

"If I had three times what I have now and if I add $2 more, I would have exactly $20."

Q1: How much money does David have?


 

Solutions

Jaklyn from USA
Grade: 3 Age: 9 School:
Solution:
Q1: 6$

The money that David has we presume are X. Then we have 3X ,because David says 'if Ihad 3times what I have' 3x+2=20 3x=20-2 3x=18 x=18:3=6
About me: I moved to Nashville from Toronto.
-----------------------------------
kyle from usa
Grade: 1 Age: 7 School:
Solution:
Q1: $6

Start with $20 take away $2 and then divide by 3 equals $6.
About me: I love to play games.
-----------------------------------
Pierce from america
Grade: 5 Age: 10 School:
Solution:
Q1: $6

I know that this is the answer because 20-2=18, and 18 devided by 3=6.
About me:
-----------------------------------
Taylor from USA
Grade: 1st Age: 6 School:
Solution:
Q1: $6

$6 + $6 + $6 = $18 $6 * 3 = $18 $18 + $2 = 20 He has$6.00 now.
About me: My Mammy and Daddy teach me all about Math. I am saving to buy all the Barbie's from Toys R Us
-----------------------------------
Kim from US
Grade: n a Age: 25 School:
Solution:
Q1: 6

20-2=18/3=6 3x+2=20 3x+2-2=20-2 3x=18 (3x/3)=(18/3) x=6
About me: I am a mother of a 10 year old who can not read nor do math yet.
-----------------------------------
Samantha from USA
Grade: 1st Age: 6 School:
Solution:
Q1: $6.00

To get my answer, I subtracted $2 from $20 and that gave me $18, and then I divided 3 into 18 and that's how I got $6.
About me: My name is Samantha I have 2 brothers Brandon and Ryan and I have 1 sister Rebecca I am the oldest sister.
-----------------------------------
Unknown from ?
Grade: Age: School:
-----------------------------------
meghan from usa
Grade: 9 Age: 14 School:
-----------------------------------
LILIANA from USA
Grade: 2 Age: 7 School:
-----------------------------------



 


Home
Site Map Comments Parents Teachers Privacy Policy and Terms of Use
K-2 ( Math, Language Arts 3-4 ( Math, Language Arts 5-8 ( Math, Language Arts)
All Ages (MindTwisters, Games) Advertise

info@dositey.com

Copyright ©Dositey Corporation 1998-2005