To find the value of \( s \) using the value of \( p = 8 \), we can substitute \( p \) into the equation \( s = 20 - p \).
\[ s = 20 - p \] \[ s = 20 - 8 \] \[ s = 12 \]
So the value of \( s \) is \( 12 \).
So far, we know that p = 8 is part of the solution. Use the second equation to find the value of s.
0.75s+0.5p = 13
s = 20−p
p = 8
s = 20−p
s =
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