Find ratios

4. a string that is 75 inches long will be cut into two pieces in the ration of 4: 11. find the lengths
of the two pieces of string.

5. the ratio of two supplementary angles is 4: 1. find the measures of the two angles.

6. the ratio of the measures of the angles in a triangle is 3: 5-7. find the measure of each angle.

7. the ratio of the measure of the sides of a triangle is 5; 7: 8 and its perimeter is 40 inches. find
the measure of each side.