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smartboy23
Group Title
Maria has a box of 2 cookies. she gives 2 cookies to each friend. which expression shows the number of cookies Maria has left after giving cookies to m friends?
A: 2m20
B: 202m
C: 20m2
D: 20+m
 2 years ago
 2 years ago
smartboy23 Group Title
Maria has a box of 2 cookies. she gives 2 cookies to each friend. which expression shows the number of cookies Maria has left after giving cookies to m friends? A: 2m20 B: 202m C: 20m2 D: 20+m
 2 years ago
 2 years ago

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ktnguyen1 Group TitleBest ResponseYou've already chosen the best response.0
Do you mean she has a box of 20 cookies
 2 years ago

tcarroll010 Group TitleBest ResponseYou've already chosen the best response.0
Your question probably meant to read a "box of 20 cookies" not 2. She is LESS 2 cookies for each friend, so the slope is a negative 2 and the intercept is 20 because she started with that many. So, 20  2m after "m" friends is the # of cookies left.
 2 years ago

elisichi Group TitleBest ResponseYou've already chosen the best response.1
I am guessing that was a typo and you meant that she had a box of 20 cookies. You said she gave 2 cookies to each friend, then that means that 2m, where m is the number of friends is the number of cookies that she gives away in total. So, to know how many she has left, you subtract 2m from the cookies she had in first place (20). Therefore, the expression would look like this: \[202m\] That is choice B.
 2 years ago
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