3. Susana is selling raffle tickets to fundraise for a new school computer suite. Each computer costs£279 and 37 will be needed
in order to fill the suite.
a)Estimate how much money will she need altogher to purchase the computers?
Susana plans to sell each raffle ticket for £1.89.
b) Estimate how much tickets will she need to sell in order to buy all of the computers?
On Thursday, the day before the raffle, Susana had sold 4176 tickets.
c) Estimate how many more tickets she will need to sell in order to buy all of the computers
a)Estimate how much money will she need altogher to purchase the computers?
Susana plans to sell each raffle ticket for £1.89.
b) Estimate how much tickets will she need to sell in order to buy all of the computers?
On Thursday, the day before the raffle, Susana had sold 4176 tickets.
c) Estimate how many more tickets she will need to sell in order to buy all of the computers
1 answer:
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Answer:
Step-by-step explanation:
<u>Using mental math to find the slope of the line:</u>
If you think about the formula, then you set up the points in your head, you will notice that the first point is on top of the second point. And that way makes it easy to simplify. All you would need to do is subtract down in your head: For example:
(0, 0)
(4, 8)
As you can see, the first point is on top of the other, and that way you can just subtract from bottom to top. If you do it that way, it is set up (Remember, you would do this all in your head)
