Mary sells her pottery vases at a market stall Her large vases sell for E13 her small vases sell for E12: Mathematics Assignment, TCD, Ireland
University | Trinity College Dublin (TCD) |
Subject | Mathematics |
Question 1
a) Mary sells her pottery vases at a market stall. Her large vases sell for E13; her small vases sell for E12. Yesterday she sold 9 of her vases for a total of E113. How many large vases did she sell, and how many small vases did she sell?
b) Draw a diagram showing the 4 stages in the mathematical modelling process.
c) Tom is going to paint his kitchen ceiling. The ceiling is rectangular in shape. Torn knows 1 litre of paint covers a surface area of 10 square metres. If x is the length of the ceiling, and y Is the width of the ceiling, derive an equation for the total number of litres of paint Torn will need to paint 2 coats of paint on his kitchen ceiling.
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