6
Range is the difference of min and max y values
I think the answer is 2476/825
90-52=38
38=3x-5
3x=43
x=14.3
We have the formula
From the above formula,
That is variance of Y is 49 not 7.
Hence the statement is (b) False
Answer:
The retail price of the mattress before discount is <u>$2400</u>.
Step-by-step explanation:
Given:
A furniture store pays a wholesale price for a mattress. Then, the store marks up the retail price to 150% of the whole price.
Later, they put the mattress on sale For 50% off though.
The customer just left the match is on sale and paid $1200.
Now, to get the retail price of the mattress before the discount.
Let the retail price of mattress before discount be
And the discount = 50%.
Price customer paid after discount = $1200.
Thus, according to question:
Multiplying both sides by 2 we get:
Therefore, the retail price of the mattress before discount is $2400.