Equations from a Word Problem

A man is climbing down from 100 feet high descending 30 feet per minute.

• y = 100 - 30x

• y = 100 + 30x

• y = 100x + 30

• y = 100x - 30

"A man is climbing down from 100 feet high descending 30 feet per minute."

You clicked on y = 100 - 30x

What does the X stand for?

• number of minutes

• how high the plane is

• number of people on the plane

• number of cheeseburgers

Nicholas received $100 for his birthday. He decides to spend $20 per day on whatever he wants.

You clicked on y = -20x + 100

What does the X stand for?

• The number of days

• Nicholas' age

• How much money he has?

• Number of cheeseburgers

Nicholas received $100 for his birthday. He decides to spend $20 per day on whatever he wants.

You clicked on y = -20x + 100

What does the Y stand for?

• The number of days

• Nicholas' age

• How much money he has?

• Number of cheeseburgers

Amelia has $100 in her savings account and plans on solving $20 per week. Write an equation to represent this situation.

• y = 100x

• y = 20x

• y = 20x + 100

• y = 100x + 20

Andrei plans to walk 12 miles every week. Write an equation to represent this situation.

• y = 12x

• y = 12x + 12

• y = 10x + 2

• y = 2x + 10

Connor has sold 15 cups of lemonade at his stand and will sell 5 more cups per hour. Write an equation to represent this situation.

• y = 10x + 5

• y = 20x

• y = 15x + 5

• y = 5x + 15

The equation y = 120x + 250 represents the cost for renting an event hall where x represents the number of hours a customer rents the hall and y represents the total cost. If Alan wants to rent the hall for 3 hours, what will be his final cost?

• $610.00

• $870.00

• $1,110.00

• $360.00

The equation y = 120x + 250 represents the cost for renting an event hall where x represents the number of hours a customer rents the hall and y represents the total cost. If Alan paid $790.00, how many hours did he rent the hall?

• 4 hours

• 4.5 hours

• 5 hours

• 5.5 hours

The equation y = 2.50x + 225 represents the purchase of posters for a fundraiser where x represents the number of posters ordered and y represents the total cost. If Nick wanted to order 400 posters, what would be the total cost?

• $625.00

• $750.00

• $1000.00

• $1225.00