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You have 15 coins that equal $1.00. Try finding All the combinations of fifteen coins (half-dollar, quarter,dime, nickel and pen
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Answer:
Width of rectangular storage room= 5 feet.
Step-by-step explanation:
Let x be the width of storage room.
We have been given that the length of a rectangular storage room is 3 feet longer than its width. So the length of storage room will be x+3.
We are also given that the area of the room is 40 square feet.
Since the area of a rectangle is length times width.
Let us substitute our given values in area formula.
Upon distributing x we will get,
Now let us factor out our quadratic equation using splitting the middle term.
or
or
Since width can not be negative, therefore, the width of rectangle will be 5 feet.
Let us verify our answer.
Length of rectangular storage room is 3 feet longer than its width. So length will be 5+3=8.
Given: Area=40 square feet.
5*8=40.
Hence, width of rectangular storage room is 5 feet.