Final answer:
The equation to represent the total number of gifts donated is G = 2 × 18, where G is the total number of gifts. Solving this, we find that 36 gifts were donated in total by the eighteen families.
Step-by-step explanation:
Let's represent the total number of gifts donated in the toy drive with the variable G.
If each family donates 2 gifts and 18 families participated, the equation to find G is:
G = 2 × 18
To solve for G, multiply 2 by 18:
G = 36
Therefore, the total number of gifts donated to the toy drive by the eighteen families is 36 gifts.