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17-08-2016
Mathematics

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four balls of wool will make 8 knitted caps.how many balls of wool will malcom need if he wants to make 6 caps?

four balls of wool will make 8 knitted capshow many balls of wool will malcom need if he wants to make 6 caps class=

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17-08-2016

We can express this as a ratio. 4 balls :8 caps.

Then simplify. 1 ball: 2 caps.

We have to make caps equal to 6, so multiply by 3. For consistency, we need to multiply the number of balls by 3 too.

3 balls: 6 caps.

So Malcolm needs 3 balls of wool.

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