$50 per day.
First you divide 250 dollars by 5 then you will get 50 dollars
The yellow yarn was 160 inches longer than the blue yarn.
https://www.cpsb.org/site/handlers/filedownload.ashx?moduleinstanceid=8283&dataid=7357&FileName=4.HW.17.pdf
Quick answer: 68oF <<<<
A quick way to figure this out is to double the C temperature and add 30, just so you get an estimate.
F ~ 2*20 + 30 ~ 70oF
Now let's use the actual formula
F = 9/5 * C + 32
F = 9/5 * 20 + 32
F = 180/5 + 32
F = 36 + 32
F = 68o
68oC <<<<< answer.
F(x) = 2x - 6
y = 2x - 6
2x - 6 = y |add 6 to both sides
2x = y + 6 |divide both sides by 2
x = 1/2y + 3
f^{-1}(x) = 1/2x + 3
f^{-1}(2) = 1/2 · 2 + 3 = 1 + 3 = 4
Answer: b. 4
