Verified Answer :

707863128

so 22 problems/ 30 minutes = ? problems/ 180 minutes
so you basically just convert them
and you will times 30 by 6 to get 180, so you times 22 by 6 
and you will get 132 problems

so Koby can do 132 problems

anayelli79

Answer:

3 hours = 180 minutes.

180 / 30 = 6

22 * 6

He can do 132 problems in 3 hours

pLeSe MaKe Me BrAiNlEsSt

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