Chapter ISG, Problem 2.1.2.2P

To determine

To use equation to justify answer

Answer to Problem 2.1.2.2P

11 pound of dog food was bought

Explanation of Solution

Given information:

  $2.50(p+2)$

Amount paid=$32.50

Calculation:

The given equation is $2.50(p+2)$

According to question, amount paid=32.5

Substituting the equation,

  $2.50(p+2)=32.5$

Solving,

  $p+2=\frac{32.5}{2.5}$

S0,

  $p=13-2$

And

p= 11.

Hence, 11 pound of dog food was bought