The density of a block of cheese is 8 g/cm3. If the mass of the block is 260 g, the width of
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Answer:
Step-by-step explanation:
Given
Age 11 Age 12 Total
Girls 3 5 8
Boys 1 3 4
Required
The number of aged 12 children is:
The total number of children is:
So, we have:
Simplify