(a) A car runs on the average at 45km to 5 litres of fuel. Calculate how many litres of fuel are required for a journey of 117km.

(b) (i) Solve for x in the inequality ⅔(2x+5)≤8⅔

(ii) Illustrate the solution on the number line

(c)A factory increased its production by 22½% and produced 49,000 tonnes. How many tonnes was it producing before?