G > Chapter 5: Chapter 5 Test > Chapter Test 5
Select each value of a for which you can solve the system by elimination without multiplying first.
ax + 3y = 7
4.3 + 5y = 15
-7
5
-4
3
13
3
4.
5

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?