The average weight for the three girls is 162.75 pounds
What is average of numbers?
Average of given numbers is the sum of the numbers divided by the frequency of the numbers, in this case, it is the sum of the weights of the three individuals divided by 3 since the individuals are three in number.
However, we need to first and foremost convert the fractional parts of the age to decimals before computing the average.
145 1/2=145.50
162 3/4=162.75
Average=sum of weights/number of person
sum of weights=145.50+180+162.75
sum of weights= 488.25
number of persons=3
average of weights=488.25/3
average of weights= 162.75
The average weight of the three girls highlighted in the question is 162.75 pounds or 162 3/4 pounds when converted to fractions
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