A school is keeping track of the number of tickets remaining for its year-end festival. The table shows the number of sales for
the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data shown in the table?
Day Tickets 1 | 800 2 | 371 3 | 182 4 | 78 Please explain. I am not sure how to solve these. Thanks so much!
Day Tickets 1 | 800 2 | 371 3 | 182 4 | 78 Please explain. I am not sure how to solve these. Thanks so much!
2 answers:
All you have to do is plot the points. Your dependent variable is the ticket sales, so it has to be in the y-axis. The independent variable, days, would be the x-axis. All in all, you would be able to plot 4 points corresponding to the 4 pairs of data given. Then, just connect them to obtain a graph. I used MS Excel to make the graph shown in the figure :)
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Since we know that a number is divisible by 3 if the sum of all digits is divisible by 3.
Let us check which digits will make 371? divisible by 3.
11 is not divisible by 3.
Now let us check other digits as well.
12 is divisible by 3.
15 is also divisible by 3.
18 is divisible by 3 as well.
Therefore, 1, 4 and 7 in tenth place will make our number divisible by 3 and our numbers will be 3711, 3714 and 3717.