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alexis39 alexis39
  • 09-12-2015
  • Mathematics
Answered

sam can solve 30 multiplication problems in 2 minutes how many can he solve in 20 minutesl

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augie9198 augie9198
  • 09-12-2015

take 30 * 10  to find out how many problems same can figure out. That is how you got from 2 to 20 is multiplying by 10
30 problems = 2 minutes
300 problems  = 20 minutes

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alexi2 alexi2
  • 09-12-2015

300 because if he can do 30 in 2 min. then 300 cause u are adding a zero to 2.

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