3) A jewelry store sells a popular line of charm
1 answer:
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Answer:
Step-by-step explanation:
Let
x -----> the cost of the items Kira's store sold
Remember that
----> sales tax in decimal number
we know that
The cost of the items that Kira's store sold multiplied by the sales tax in decimal number must be equal to $22
so
Solve for x
Divide by 0.05 both sides
Answer:
The answer is (30, 109)
Step-by-step explanation:
In this problem we need to find the intersection point between the lines
y = 4x-11
and
y = 3.2x+13
We can easily solve this problem by plotting both lines in a graphing calculator and finding the intersection point.
Please see attached picture.
The answer is (30, 109)
