1) lance can paint the room in 5 hours, while kim can paint the same room in 4 hours.
how many hours would it take for them to paint the room together?
2) dominique can ice cupcakes twice as fast as houston. when they work together, dominique and houston can ice a large order of cupcakes in 5 hours.
how many hours would it take houston to ice them by himself?

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Triangle inequality theorem state if each set of three numbers can be the lengths of the sides of a triangle. 1. 9, 8, 22. 2. 5,10,12. 3. 7,10,22. 4. 4,11,12. 5. 11,9,10. 6. 10,4,19. 7. 3,12,10. 8. 4,3,2. 9. 6,5,13. 10. 7,12,20. me .