Quote:
Originally Posted by Happy Life
1.
David reading book completed parts on Monday 1/4, Tuesday 1/3, Wed 1/5. Left over pages are 26. What is total number of pages.
2.
A triangle having 60° and 70° what will be 3rd angle
kindly solve these questions.
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1st question:
let x be the total number of pages
Complete equation becomes as follow:
=> 1/4x + 1/3x + 1/5x + 26 = x
=> [(15+20+12)/60]x + 26 = x
=> [47/60]x + 26 = x
=> x - [47/60]x = 26
=> x = 26/[1-(47/60)]
=> x = 120 pages
2nd question:
Sum of all angles in a triangle is 180.
As two angles are 70 and 60, third one would be 180-(70+60) = 50 degrees
Hope it helps.