Question

At the store, there were a total of 4000 black and red pens which 80% were black pens. After some black pens were sold, black pants comprised of 60% of all the pens. How many black pens were sold?

Answer 1

Answer:

2400 pens were sold

Step-by-step explanation:

800×4 =3200. = 80%

800= 20 %

100-60 = 40 %

40% = 800+800=1600

60% = 4000-1600=2400

Answer 2

Answer:

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