Question

1. Calculate the interest rate percent per annum for a loan of #2,720 for 4 years and a repayment of #2,856 .
2. (a)Make v the subject of the formula E = mv/2 (MV divided by 2)
(b) find the value of v when m = 2 and E = 120.
3. The age of a son is represented by y and his father is 7 times older than his son. If the sum of their ages is 54 years.
(a) form an equation with these sentences
(b) hence, determine the ages of the son and the father.
4. Solve the equations
3x + 2y = 4
2x + 3y = 1, using any method.

Answer 1

Answer:

4•)

Step-by-step explanation:

-5y=-1 and y=1 and x=2/3