How is making a table of equivalent ratios to find the unit rate similar to finding the unit rate by calculating with fractions?

The highest common factor of 132 and 220

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?