Concrete building blocks weigh 28 pounds each. Using b for the number of concrete blocks and w for the weight, write two equations that relate the two variables. One equation should begin with $$ w= $$ and the other should begin with $$ b= $$.

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Given that each concrete block weighs 28 pounds, and letting $$ b $$ represent the number of blocks and $$ w $$ represent the total weight, the relationships between these variables can be expressed with the following two equations:

1. **Equation starting with $$ w = $$:**
   $$
   w = 28b
   $$
   *This equation states that the total weight $$ w $$ is equal to 28 pounds multiplied by the number of blocks $$ b $$.*

2. **Equation starting with $$ b = $$:**
   $$
   b = \frac{w}{28}
   $$
   *This equation shows that the number of blocks $$ b $$ is equal to the total weight $$ w $$ divided by 28 pounds.*

These equations allow you to calculate either the total weight based on the number of blocks or the number of blocks based on the total weight.

**Summary of the Equations:**
$$
w = 28b
$$
$$
b = \frac{w}{28}
$$
$$ w = 28b $$ and $$ b = \frac{w}{28} $$.

Concrete building blocks weigh 28 pounds each. Using b for the number of concrete blocks and w for the weight, write two equations that relate the two variables. One equation should begin with \( w= \) and the other should begin with \( b= \).

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