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The ratio of the sale of eggs on Sunday to that of the whole week is 3:7. If the total sale of eggs on Sunday was 36, find the total sale of eggs during the whole week.
Given:
The ratio of the sale of eggs on Sunday to that of the whole week $= 3:7$.
The total sale of eggs on Sunday $=36$.
To do:
We have to find the total sale of eggs during the whole week.
Solution:
Let the number of eggs sold on Sunday be $3x$.
This implies,
The number of eggs sold during the whole week$=7x$.
Therefore,
$3x=36$
$x=\frac{36}{3}=12$
$7x=7(12)=84$
The total sale of eggs during the whole week is 84.
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