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Farran, Lydia and Dan collect shells on a beach. They decide to share the shells between them in the ratio 4: 5: 2. If Lydia and Dan have 77 shells between them, how many shells does Farran have

Sagot :

Answer:

Step-by-step explanation:

ratios are very simple

4:5: 2. If Lydia and Dan have 77 shells between them, how many shells does Farran have

sqdancefan

Answer:

  44

Step-by-step explanation:

You want the number of shells Farran has, if Lydia and Dan have 77 shells between them, and the ratio of shells is ...

  Farran : Lydia : Dan = 4 : 5 : 2.

Ratio

The ratio tells you the number Farran has relative to Lydia and Dan's total is ...

  4 : (5 +2) = 4 : 7

To convert this ratio to an actual number of shells, we can multiply it by 11:

  Farran : (Lydia + Dan) = 4 : 7 = 44 : 77

Farran has 44 shells.

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