Question

• How do you define the appropriate quantities to model a situation or description

Answer 1

do you have an example of the question...

as an example john if 3 years older then Mary. The sum of there ages is 37, how old are they

let mary's age = m then john is m + 3

together m + m + 3 = 37

so the equation for the sum of the ages is

2m + 3 = 37

by solving for m, you can find mary's age, and john's age.

Answer 2

no

Answer 3

he just told me to defined it