The lee family ate a total of 12 hotdogs at a cookout. each family
member ate 2 hotdogs. use the equation 2m = 12 to find m, the number
of members in the lee family.

in advance

You'll want to isolate the variable in the equation 2m = 12. This is easy, since there's a 2 in front of the variable.

Divide both sides by two

2m / 2 = m

12 /2 = 6

The new equation is m = 6

There are 6 members of the Lee family.

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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