The number of shells collected by Paula is 12 shells
The correct answer is B.
The given expression:
total number of shells collected by the friends, t = 43 shells
number of shells collected by Paula = x
number of shell collected by Bethany = 2x - 3
number of shell collected by Jerrell = [tex]\frac{x}{2} + 2[/tex]
To find:
- the number of shells collected by Paula
The number of shells collected by Paula is calculated as follows:
[tex]x + (2x-3 ) + (\frac{x}{2} + 2) = 43\\\\3x + \frac{x}{2} - 1 = 43\\\\\frac{6x + x}{2} = 43 + 1\\\\\frac{7x}{2} = 44\\\\7x = 88\\\\x = \frac{88}{7} \\\\x \approx 12 \ shells[/tex]
Thus, the number of shells collected by Paula is 12 shells
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