Answer:
I believe she would be 10 then
Step-by-step explanation:
I hope this helps. If it does please mark me the brainliest!
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Answer:
= average value of the data set
n = number of data values
x_i = data values in the set
Step-by-step explanation:
10% can also be written as 0.1
85 * 0.1 = 8.50
85 - 8.50 = 76.50
The radio would cost $76.50 with the discount.
First you figure out that the ratio 7:4 is 1.75
Then you do this problem 28 divided by 1.75=16
And 28:16 is the same as 7:4
Now all you do is add 28+16=44