Writing Equations from Word Problems

Front

What is the equation that represents the relationship between the number of months (x) and the total fitness club membership (y) if the club starts with 80 members and gains 15 members each month?

Back

y = 15x + 80

Front

What does the term 'is' mean in mathematical equations?

Back

= (equal to)

Front

How can you express the total cost of printing posters if the printer charges $250 plus $2 per poster?

Back

2x + 250 = 1000, where x is the number of posters.

Front

If Cheryl gets paid $8 per hour and made a total of $96 last week, which equation models her earnings?

Back

8h = 96, where h is the number of hours worked.

Front

Write an equation that models the statement: '17 less than h equals 42'.

Back

h - 17 = 42

Front

What does the term 'equal' signify in an equation?

Back

It indicates that the values on both sides of the equation are the same.

Front

If a fitness club has 80 members and gains 15 members each month, how would you calculate the total membership after 4 months?

Back

y = 15(4) + 80 = 80 + 60 = 140.

Front

What is the first step to take when writing an equation from a word problem?

Back

Identify the variables and what they represent.

Front

In the equation 2x + 250 = 1000, what does 'x' represent?

Back

x represents the number of posters printed.

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to both sides of the equation.