Intro to y=mx+b Word Problems (Asynchronous)

Intro to y=mx+b Word Problems

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Problem #1

A plumber charges $25 for a service call plus $50 per hour of service. What will be the total cost for 3 hours or work?  

This problem has 3 parts (questions), so you might want to have a piece of paper handy.

Fill in the Blank

A plumber charges $25 for a service call plus $50 per hour of service. What will be the total cost for 3 hours of work? (ONLY put the number answer - don't use units!)

Fill in the Blank

A plumber charges $25 for a service call plus $50 per hour of service. What will be the total cost for 8 hours of work? (ONLY put the number answer - don't use units!)

Fill in the Blank

A plumber charges $25 for a service call plus $50 per hour of service. What will be the total cost for $h$  hours of work? 

(The answer is an algebraic expression of the form $b+mx$  or $mx+b$ . Don't use any spaces!!!!!  Make sure to use the variable $h$  .)

 

Problem #2

A water tank already contains 55 gallons of water when Baxter begins to fill it. Water flows into the tank at a rate of 8 gallons per minute. How many gallons of water are in the tank after 5 minutes? After m minutes?

This problem has 2 parts - a piece of paper will come in handy.

Fill in the Blank

A water tank already contains 55 gallons of water when Baxter begins to fill it. Water flows into the tank at a rate of 8 gallons per minute. How many gallons of water are in the tank after 5 minutes?

(ONLY put the number answer - don't use units!)

Fill in the Blank

A water tank already contains 55 gallons of water when Baxter begins to fill it. Water flows into the tank at a rate of 8 gallons per minute. How many gallons of water are in the tank after $m$  minutes?
(The answer is an algebraic expression of the form $b+mx$  or $mx+b$ . Don't use any spaces!!!!!  Make sure to use the variable $m$  .) 

Problem #3

Tim buys a new computer for his office for $1200. For tax purposes, he declares a linear depreciation (loss of value) of $200 per year. What would be the value of his computer after 3 years? After y years?

Be prepared with a piece of paper.

Fill in the Blank

Tim buys a new computer for his office for $1200. For tax purposes, he declares a linear depreciation (loss of value) of $200 per year. What would be the value of his computer after 3 years?

(ONLY put the number answer - don't use units!)

Fill in the Blank

Tim buys a new computer for his office for $1200. For tax purposes, he declares a linear depreciation (loss of value) of $200 per year. What would be the value of his computer after $y$  years?

(The answer is an algebraic expression of the form $b+mx$  or $mx+b$ . Don't use any spaces!!!!!  Make sure to use the variable $y$  .) 

Problem #4

A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe. How much would it cost to rent the canoe for 5 hours? For h hours?

Be prepared with a piece of paper.

Fill in the Blank

A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe. How much would it cost to rent the canoe for 5 hours?

(ONLY put the number answer - don't use units!)

Fill in the Blank

A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe.  How much would it cost to rent the canoe for $h$  years?

(The answer is an algebraic expression of the form $b+mx$  or $mx+b$ . Don't use any spaces!!!!!  Make sure to use the variable $h$  .) 

Show You Know

Now you are ready to go to DeltaMath.com and complete the three assignments listed under 1-28 & 1-29.