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Ratio as parts of a whole
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4-point ladder

Ratio as parts of a whole, 4-point ladder

●●○4 points, difficulty 2 of 34 pt

Two steps, or one step plus a trap.

3 in a row to finish this ladder.

0/7 solved

KA-0024

about 75s

Red and blue counters are in the ratio 3 to 5. There are 40 counters altogether. How many are red?