A square has an area that is less than 100m2. What is reasonable range for the graph of the square sides
1 answer:
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Answer:
Cost of a fern = $4
cost of a rose bush = $3
Step-by-step explanation:
Let cost of a fern in dollars be =
Let cost of a rosebush in dollars be =
Matt purchased 8 ferns and 1 rosebush for $35
Cost of 8 ferns in dollars will be =
cost of a rosebush in dollars is =
Total cost of 8 ferns and 1 rosebush in dollars =
So, we have a Matt's equation as:
Trey purchased 4 ferns and 3 rosebushes for $25.
Cost of 4 ferns in dollars =
Cost of 3 rosebushes in dollars =
Total cost of 4 ferns and 3 rosebush in dollars =
So, we have a Trey's equation as:
The system of equations is :
A)
B)
Solving the system by substitution method.
Rearranging equation A, to solve for in terms of
Subtracting both sides by
Substituting value of we got from A into equation B.
Using distribution.
Simplifying.
Subtracting both sides by 105.
Dividing both sides by -20.
∴
We can plugin in the rearranged equation A to get value of
∴
Cost of a fern = $4
Cost of a rosebush = $3