briannaadams68401 briannaadams68401
  • 21-03-2024
  • Mathematics
contestada

A box contains 50 cards, each numbered from 1 to 50. in how many ways can two cards be chosen, so that the sum of the numbers on those cards will be 21?
a.1/125
b.1/5
c.2/245
d.1/100

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