A restaurant can be hired out for children's parties, and the cost is shown by the formula "Cost = (£13.50 x number of children) + £23". What is the cost for 8 children?
Cost = (13.50 x number of children) + 23.Cost = (13.50 x 8) + 23.BIDMAS. Brackets first.Cost = 108 + 23 = £131.
TD
Related Maths KS3 answers
All answers ▸What is a common factor?
The formula for the volume of a cone is V=1/3πR^2H. If R=6 and H=5, work out its volume in terms of π.
calculate the volume and surface area of a beach ball with a 30cm diameter.
A quadrilateral shape has angles of 60, 75, and 105 degrees. How many degrees is the fourth angle?