Deborah has a collection of toy cars that weighs 1 grams. She is buying new cars which each weigh } grams.
Construct an equation that represents the total weight of her collection
based on the number of new cars purchased.
Use fractions or decimals as given in the question.
Let the total weight of her collection be represented by w.
Let the number of toy cars bought be represented by c.
w
(c)
+
What is the total weight of her collection if she buys 18 cars?
Your final answer should be a decimal.
w
w