Yis inversely proportional to the square of x A table of values for x and y is shown
x
3 4
1
2
3
4
Se
10
a) Express y in terms of x
b) Work out the positive value of x when y= 25

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.