How to solve equations with variable in denominator?

Four friends went to cd music store. Lana purchased for CDs for $36.68 troy purchased five CDs for $40.55 Juanita purchased five CDs for $47.15 Alex purchased six CDs for $54.42 what was the average cost of the CDs each friend bought

49637420/36 ayúdenme con esta división si es posible con fotos

if mark gets 41 out of 55 questions right on a test what equation would he use to determine the percent correct?

A student got 70 out of 80 questions right on a test. What percent of the questions did this student get right

Which steps should be followed to use a scale drawing and a new scale to find the new length of a soccer field? Add the numerator of the new scale to the old length to get the new length.

Solve and simplify '8 - y + 7y = 40

What is the solution of 12b=18

How can we solve fractions

F (x) = 2x-1 and g (x) = - x+5 what is the solution of f (x) = g (x)

The radius of a circle is 1 millimeter what is the circle area