Together, Andrea and Brian weight p pounds. Brian weights 10 pounds more than Andrea. Brain and Andrea’s dog, Cubby, weights p/4 pounds more than Andrea. In terms of p, what is Cubby’s weight in pounds?
Solution
Correct Answer: Option B
since "Brian and Cubby" form a plural noun and require a plural verb.
So, now that we know how to interpret the question, our equations are:
A + B = P
B = A + 10
C = A + P/4
We want to solve for C, so let's get rid of A and B by getting A in terms of P and then subbing into the Cubby equation:
A + 10 = B
A + A + 10 = P
2A = P - 10
A = P/2 - 5
C = P/2 - 5 + P/4
C = (2P/4) + P/4 - 5
C = (2P + P)/4 - 5
C = 3P/4 - 5
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