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Dafna11 [192]
3 years ago
10

If you buy 12 pens for 22.20 dollars, how much does each pen cost?

Mathematics
1 answer:
jeyben [28]3 years ago
5 0
 $ 1.85   you  divide  22.20 by 12 
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Sam Is 11 years older than Susan the sum of their ages in years is 27 what’s sams age in years
sweet [91]

Answer:

19

Step-by-step explanation:

Let Sam be x

Let Susan be y


x = y+11

x + y = 27

Substitute (x) with (y+11)

(y+11) + y = 27

Solve the equation

2y + 11 = 27

2y = 16

y = 8


Susan's age is 8.

Sam's age is 8 + 11

Sam's age is 19


Hope this helped :)

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