The sum of 2 numbers is 72. 2 times the first number equals to 10 times the second number. What are the numbers? pls help ASAP will mark branliest.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.