Which shows a correct order to solve this story problem? Peter bought 3 biscuits for $1.59 each and 3 sausages for $2.50 each at
the corner restaurant. He left a $1.85 tip for the server. How much did Peter have left from the $25 he took to the restaurant? A. Step 1: Add the price of a biscuit to the price of a sausage. Step 2: Multiply that total by 3. Step 3: Subtract the total amount from $25. Step 4: Add the tip. B. Step 1: Calculate the price of 3 biscuits. Step 2: Calculate the price of 3 sausages. Step 3: Add the total amounts from Steps 1 and 2 to the amount of the tip. Step 4: Subtract that total amount from $25. C. Step 1: Add the price of a biscuit and the tip. Step 2: Add the price of a sausage to the total from Step 1. Step 3: Multiply that total by 3. Step 4: Subtract that total amount from $25. Question Resources
Since he bought more than one of each, he needs to find the total cost of the biscuits and sausage first.
The correct answer should be:
<span>B. Step 1: Calculate the price of 3 biscuits. Step 2: Calculate the price of 3 sausages. Step 3: Add the total amounts from Steps 1 and 2 to the amount of the tip. Step 4: Subtract that total amount from $25.</span>
You can use the vertical line test (the blue lines on the drawing) and if the other end or if any part of the line touches the blue line, then it isn’t a function.
