HELP PLS!! INCLUDE EXPLAINING THANK YOU

$782(Dylan) or $870(Lucy) you tell me

Step-by-step explanation:

Dylan

1000-80= 920

put this into fraction form like so

   y= new total(920)

               p= percent

then multiply on the diagonal and divide on the horizontal like so

(y·p) ÷ 100

then subtract the value you get from y

dylan spends

$782

Lucy

use the same process but in reverse

first calculate how much 15% of 1000 is then then take that value away with the 80$

so steps

1.  (1000· 15) ÷ 100= 150

2. 1000- 150=

3. 950-80=

$870

sorry if this was unbearably long.

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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