You use the Internet to purchase 9 tickets for a concert The tickets are $22 each you have to play a handling fee of $3 per tick
et and a shipping fee of $5 for the entire order. Use a problem solving plan to find your total cost.
1 answer:
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Find the slope of the line passing throught the points (2, 2) and (4, 3).
The formula of a slope:
Substitute:
If the point (x, -1) lie on the same line, then the slope of line passing through the points (2, 2) and (x, -1) the same:
Substitute:
We have the equation:
<em>cross multiply</em>
<em>add 2 to both sides</em>