Posted by **KAITLIN** on Friday, October 11, 2013 at 8:46am.

SIMPLIFY THIS EXPRESSION -6K + 7K

- COMMON CORE MATH -
**Reiny**, Friday, October 11, 2013 at 9:51am
-6K + 7K

= 7k - 6k

Suppose 7 kangaroos are in a field and 6 of them leave

How many kangaroos are left

- COMMON CORE MATH -
**Rachel Langford**, Wednesday, April 29, 2015 at 5:07pm
A box containing 3 small bags of flour weighs 950 grams. Each bag of flour weighs 300 grams. How much does the empty box weighs ?

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