A shirt has an original price of $19.75. If the shirt is marked 25% off and there is a 7.75% tax, how
2 answers:
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First case:
average of test score =70
number of students =p
total score of 'p' students = ( average of test score)*( number of students)
total score of 'p' students =70p
Second case:
average of test score =92
number of students =n
total score of 'n' students = ( average of test score)*( number of students)
total score of 'n' students =92n
total number of students = p+n
total average score =86
so, total score =86(p+n)
total score = total score of 'p' students +total score of 'n' students
now, we can simplify it
now, we can find p/n
................Answer
Hi there!
We can find the area of a triangle with the formula:
Filling in this formula gives us the following answers.
Triangle 1
Triangle 2
Triangle 3
We can find the area of a triangle with the formula:
Filling in this formula gives us the following answers.
Triangle 1
Triangle 2
Triangle 3