Answer:
(a) What is the median cost?
12-78
(b) Is there a mode? If so, what is it?
No there isn't
(c) What is the difference between the most expensive and least expensive lamps?
12,75-78
(d) How many lamps cost more than $20 but less than $40?
5
(e) What is the ratio of lamps that cost less than $40 to lamps that cost more than $40? Write the ratio in the simplest form.
{for less} - (12,49) {for more} - (49,78)
Step-by-step explanation:
hope I helped if it's wrong tell me
~Ally
This should be simple, add the Amounts of snow for the first week
4.32 + 6.86 = 11.18
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The subtract the amounts of snow from each week
11.18 - 7.89 = 3.29
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C.) 3.29 is your answer
It’s 5 because the other ones not important
Let p be the prize of a pen and m the prize of a mechanical pencils. If you buy six pens and one mechanical pencil, you spend 6p+m. We know that this equals 9, because you get 1$ change from a 10$ bill.
Similarly, if you buy four pens and two mechanical pencils, you spend 4p+2m, which is 8$, because now you get a $2 change. Put these equation together in a system:

Now, if you multiply the first equation by 2, the system becomes

Subtract the second equation from the first:

Plug this value into the first equation to get
