There are 32 red ballpens and 56 blue ballpens in a box. when the same numbers of red ballpens and blue ballpens were added in each respective box, the ratio of red ballpens to blue ballpens became 7 ∶ 11. how many ballpens were added in all?

Answers

• Réponse publiée par: shannel99

  20 (10 red, 10 blue)

  Step-by-step explanation:

  (hack)

  Think multiples of 11

  (11,22,33,44,55,66,77)

  66-56=10

  32+10=42 (since equal numbers were added)

  Thus,

  42:66 simplified to 7:11
• Réponse publiée par: dorothy13

  20 (10 RED ,10 BLUE)

  Step-by-step explanation:

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• Réponse publiée par: 09652393142

  Im not sure but for me its345