Ramon spends 2/5 of his monthly income on rent, 1/5 of his monthly income on utilities, and 3/4of the amount remaining on food a
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Answer:
gradient = 9
Step-by-step explanation:
First we have to assume that each quarter touched each other. Hence the area of the table not covered by the coins (A) is equal to the total area of the table (At) minus the total area of the coins (Ac). Coins are circle, so 
and r =24.26mm. The area of one coin is then 1848.98mm^2. Hence the equation is A = At - xAc where x is the number of coins.