ALGEBRA B
1. Solve (a)
1. Solve (b)
1. Solve (c)
2. Solve for x and y, checking one solution in each problem:
2. (a)
2. (b)
3. A man arranges to pay a debt of $3600 in 40 monthly payments which form an A. P. After paying 30 of them he still owes
of his debt. What was his first payment?
4. If 4 quantities are in proportion and the second is a mean proportional between the third and fourth, prove that the third will be a mean prop. between the first and second.
5. In the expansion of
the ratio of the fourth term to the fifth is
Find x.
6. Two men A and B can together do a piece of work in 12 days; B would need 10 days more than A to do the whole work. How many days would it take A alone to do the work?