5. Solve the equations:
6. Two squares are formed with a combined perimeter of 16 inches. One square contains 4 square inches more than the other. Find the area of each.
7. A man walked to a railway station at the rate of 4 miles an hour and traveled by train at the rate of 30 miles an hour, reaching his destination in 20 hours. If he had walked 3 miles an hour and ridden 35 miles an hour, he would have made the journey in 18 hours. Required the total distance traveled.
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
ALGEBRA B
Time: One Hour and Three Quarters
1. How many terms must be taken in the series 2, 5, 8, 11, ··· so that the sum shall be 345?