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# 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?

• 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: mildredjingpacpavhvg

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• Réponse publiée par: 09652393142
Im not sure but for me its345
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There are 32 red ballpens and 56 blue ballpens in a box. when the same numbers of red ballpens and b...