Acollection of nickels and quarters is worth 2.85 . there are 3 more nickels than quarters how many nickels and quarters are there

A nickel is equal to 5 cents or 0.05 dollars.

A quarter is equal to 25 cents or 0.25 dollars.

Let number of nickels be = n

Let number of quarters be = q

   ...........(1)

As it is given, there are 3 more nickels than quarters so equation becomes,

  ................(2)

Plug in the value of 'n' from (2) in (1)

=

As we get,

Hence, there are 12 nickels and 9 quarters.

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

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