*Welcome to Room 8 @ Ross Intermediate*

Wednesday, 29 June 2011

Chocolate Bar Challenge

Here is this weeks chocolate bar challenge!

Extravagant Ellie and Thrifty Tanya each have bank accounts. Ellie has $500 and Tanya has $200. Ellie withdraws $15 each weekend while Tanya deposits $12. At the end of 13 weeks, what is the difference in their bank accounts? Solve this algebraically. Can you find a week when there is only a $3 difference? Hint: It is before the 13th week.

First to post a comment with the correct working wins!

6 comments:

Jaedyn Sturley said...

Ellie had $305 after 13 weeks
Tanya had $356 after 13 weeks

Week 11 they both had a $3 difference

Total After 13 weeks
Ellie $305
Tanya 356

Anonymous said...

697

Anonymous said...

1. Ellie has $305
Tanya has $356
That was 13 weeks.

2. 11th week has only $3.00 apart!

-BRITNEY

Anonymous said...

sharron...
Ok I havnt completed it propelly so if the last Q is not a trick Q dont post it.

Ellie ends up with $305 which means there is a $195 difference.
Tanya ends up with $44 which means there is a $156 difference.
For the last question I took ages searching and thinking but I couldnt find a week before the 13th week that had a $3 difference!
Well thats what I think.

damian said...

week 12

jesmeen said...

it was week 11 and this how.........


Ellie has $305
Tanya has $356
=13 weeks in total!
and then the 11th week has only $3.00 apart