A home is to be built on a 56 foot 9 inch wide lot. The house is 5 feet 5 inches from the side of the lot and is 34 feet 10 inch
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Answer:
. In other words, there number of girls is
.
Step-by-step explanation:
The average of a number of measurements is equal to the sum of these measurements over the number of measurements.
.
Rewrite to obtain:
.
For this question:
.
.
Therefore:
.
On the other hand, there are boys and girls in total. Using the formula for average:
.
From the question, this average should be equal to . In other words:
.
Solve this equation for to obtain:
.
.
.
In other words, the number of girls here is .