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Mr. Lucci put together 5 bags of pens. He put 19 black pens and 12 red pens in each bag. What is the total number of pens Mr. Lucci put into bags?

Sagot :

There are 19+12=31 pens in each bag. Since there are 5 bags 31*5=155 there are 155 pens in total.
the equation is 5(12+19)=155
19+12 31 x 5 = 155 pens