seankp31 seankp31
  • 17-05-2023
  • SAT
contestada

23
There are 20 or more marbles in a bag. Each
marble is either red or black. Each of the red
marbles weighs 2 grams and each of the black
marbles weighs 3 grams. If the total weight
of the marbles is less than 45 grams, then
which could be the number of black marbles
in the bag?
(A) 4
(B) 5
(C) 6
(D) 7
24

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