The March sales of Jazz records is an illustration of proportions, and the number of jazz records sold all year is 7x
How to determine the total number of sales?
The sales in March is given as:
Proportion = 1/7
Let the actual number of sales in the month of March be x, and the total sales in the year be y.
So, we have:
1/7 * y = x
Make y the subject
y =7x
Hence, the number of jazz records sold all year is 7x
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