Homework Help: MATH

Posted by marko on Monday, March 12, 2012 at 9:32pm.

Word problem
mark and melinda collect baseball caps. mark has 7 more than melinda.
togheter they have 115 caps. how many baseball caps does each of them have?
i got: melinda has 54 mark has 61
is that right?

i have 2 more i cant figure out:
1) in a pet store the number of dogs is more than 3 times the number cats. if the pet store has 21 dogs how many cats does it have?

2) in the pet store the number of birds is 10 less than twice the number of rabbits, if the pet store has 56 birds, how many birds does it have?

MATH - Olivia, Monday, March 12, 2012 at 9:37pm
1) yes I think is right

2) 21x3=63

3) Not quite sure it doesn't make any sense
MATH - marko, Monday, March 12, 2012 at 9:38pm
for question 1 is it 9 cats
MATH - Ms. Sue, Monday, March 12, 2012 at 9:39pm
The first one is right.

1) The store has less than 7 cats.

2) 56 - 10 = 46
46/2 = 23
MATH - marko, Monday, March 12, 2012 at 9:42pm
so question 1
is 7 cats
i dont follow how you got 7?

question 2 is 23 rabbits
MATH - Ms. Sue, Monday, March 12, 2012 at 9:49pm
21 dogs

21 = 3c

Solve for c
MATH - marko, Monday, March 12, 2012 at 9:54pm
3x 7 = 21
so c = 7
i get it
thanks
MATH - Ms. Sue, Monday, March 12, 2012 at 9:58pm
You're welcome. :-)
MATH - none, Wednesday, May 1, 2013 at 11:20am
rrrrrrr
MATH - none, Wednesday, May 1, 2013 at 11:20am
bored x 100000 paigeee
MATH - none, Wednesday, May 1, 2013 at 11:20am
bored x 100000 paigeee
MATH - none, Wednesday, May 1, 2013 at 11:20am
bored x 100000 paigeee

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