Jim’s car was averaging 15 miles per gallon. after he had a tuneup on the car, he had noticed that the car now gets 20 miles per gallon. what was the percent of increase in the miles per gallon?

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.