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Simplifying and 'Together and Alone' Type Word Problems

12. Simplify: 10 t^6 3
---- - --- -:- ----
t^2 2 t^5

13. Add: 4 7
---- + ----
X x^2

14. Sandra can paint a kitchen in 5 hours and James can paint the same kitchen in 6 hours. How long would it take them working together to paint the kitchen?

17 Simplify: a b
-- + ---
b a

Solution Summary

Simplifying and 'Together and Alone' Type Word Problems are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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