1. 3x + 7 = 9x - 11 2. 5m - 8 = m - 44
3. 6p - 10 = 7p - 49
4. 9b - 11 = 11b + 9
5. 7y + 40 = 11y + 64
6. 4k - 5 = 7k + 10
7. 3m + 20 = 7m - 16
8. 4a + 11 = 11a - 3
9. 10w + 6 = 2w - 42
10. 3z - 25 = 50 - 2z

wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.

what is the original number? you forgot to add it.

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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step-by-step explanation: