Merchants usually sell small nuts, washers, and bolts by weight (like jelly beans!) rather than by individually counting the items. Suppose a particular type of washer weighs 0.128 g on the average. What would 130. such washers weigh?

130 x (0.128g/washer) = ?

To find out the weight of 130 washers, we need to multiply the weight of one washer by the number of washers. In this case, the weight of one washer is given as 0.128 g.

So, to calculate the weight of 130 washers, we can use the following formula:

Weight of 130 washers = Weight of one washer × Number of washers

Weight of 130 washers = 0.128 g/washer × 130 washers

Now, let's calculate the weight:

Weight of 130 washers = 16.64 g

Therefore, 130 washers of this type would weigh approximately 16.64 grams.