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Sharing in a ratio

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Count the parts

Share $9000 in the ratio 2 : 1$3000$3000$3000partsSally: 2 parts = $6000Bob: $30001. add the parts2 + 1 = 32. find one part9000 ÷ 3 = 30003. multiply back3000 × 2 and × 1check: $6000 + $3000 = $9000 ✓
Add the parts, divide, then multiply back.
  1. 1Share $9000 in the ratio 2 : 1.