Question 843545
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Hi,
If Sam is takes a typing test that lasted 15 minutes and typed 84 wpm, what was his total words typed?  84•15 = 1260 words. 
Oral test involved typing at 72wpmin (how much time {{{ highlight_green(x) }}}did that take?
 {{{84/15 = 72/x }}}       | Cross Multiplying to solve
   x = 12.9 min  (rounded to nearest tenth)
Total test 15min + 12.9min = 27.9min