David borrowed $245 for 4 years from his parents. In the end he pays his parents back a total of $274.40. What was the simple interest rate on the loan from his parents?

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle