SOLUTION: Mr. Green needs to hire landscaping equipment. A local plant hire company have quoted two alternative prices: �240 for 10 days hire or �180 for 7 days hire. These prices are compri

Question 808698: Mr. Green needs to hire landscaping equipment. A local plant hire company have quoted two alternative prices: �240 for 10 days hire or �180 for 7 days hire. These prices are comprised of a fixed standard charge plus a daily rate charge. Both prices are exclusive of VAT.
a) draw a straight line graph to determine the fixed standard charge and the daily rate charge. Explain fully the mathematical principles involved.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
240=m*10+b,
180=m*7+b
b = 40, m = 20
fixed rate is 40
daily rate is 20

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