Answer:

Step-by-step explanation:
In this question, one is asked to multiply a fraction by a whole number, first model the question.

In a situation like this, one multiplies the whole number by the numerator (number) over the fraction.

Simplify,

A common error that people make is that they will multiply both the numerator and denominator by the whole number, this is the same as multiplying the answer by (1), thus it is incorrect.
A lever is a simple machine that helps move or pry a rock from the ground.
The x=7y-4 one and put it to where the x in the other equation is.
1 fin = 8 grams
4 fins = 4 x 8 = 24 grams total