Of the two boys one was taller than the other by 15 cm; the shorter boy has grown by 9 cm and the taller boy has grown by 5 cm, and at present the difference of their heights is 1/15 the of the height of the taller boy. What were their former heights?
Showing posts with label MAT. Show all posts
Showing posts with label MAT. Show all posts
Saturday, November 15, 2014
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