CHAPTER 4: ALGEBRAIC PROCESSES (1) SIMPLIFICATION AND SUBSTITUTION
Below are the solution to all the questions in Exercise 4a of the New General Mathematics for Senior Secondary School One (SS 1). If there are any question to ask, feel free to ask and a community member will be glad to assist you.
Note: Please this should only be used for educational purpose only and should not be seen as a replacement for the New General Mathematics textbook and or every other materials related to it.
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Exercise 4a Questions and Solutions (Number 11 to 20)
Question 11: Express a metres and bcm in cm
Question 12: The perimeter of a rectangle is 14m and the length is xm. Express the breadth of the rectangle in term of x.
Question 13: The perimeter of a rectangle is 20m and the lenght is xm. Find the area of the rectangle in terms of x. (WAEC)
Question 14: A rectangle has one side equalt to (2x + 4)cm and a perimeter of (6x + 4)cm. What is the area of the rectangle in terms of x? (WAEC)
Question 15: A car travels dkm at an average speed of ukm/h. How long does it take?
Question 16: A train moves at an average speed of xkm/h. How many hours will it take to cover 340km? (WAEC)
Question 17: A train travels for t hours at a speed of vkm/h. How far does it go?
Question 18: Two cars start together from the same place and travel in the same direction along a road. If the faster one has an average speed of ukm/h and the other vkm/h, how far ahead is the faster one after t hours? (WAEC)
Question 19: A boy’s age is x years and his father is four times as old. Find the father’s age in y years’ time.
Question 20: p years ago a man’s age was (q + r) times that of his son who was then r years old. How old is the man now? (WAEC)