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Transcript

Hoagie Time

start

You are making and selling hoagies to save for a field trip.

next

Yesterday we calculated slope from tables and using the formula.Here is a real-world example where we rate of change every day.

First, you need to buy the fixins' for your hoagies.The table to the right shows the cost of tomatoes.What is the rate of change for buying tomatoes?

1/10

$5.00 perpound

$2.50 per pound

$1 per pound

Number of pounds

Cost

2345

$5.00$7.50$10.00$12.50

Right!

Let's move on to the next question

Next, you need lettuce!The table to the right shows the cost of lettuce.What is the rate of change for buying lettuce?

2/10

$1.98 perpound

$0.99 perpound

$1 per pound

Number of pounds

Cost

2345

$1.98$2.97$3.96$4.95

Right!

Let's move on to the next question

3/10

$3.00 per pound

$2.00 perpound

$4.00 perpound

Now you need the meat!The graph to the right shows the cost (y) of buying (x) pounds of salami.What is the cost of salami per pound?

Press Here for the Graph

Right!

Let's move on to the next question

4/10

$1.00 per pound

$12.00 perpound

$6.00 perpound

You need more meat!The graph to the right shows the cost (y) of buying (x) pounds of ham.What is the cost of ham per pound?

Press Here for the Graph

Right!

Let's move on to the next question

5/10

$11 per pound

$2.75 perpound

$5.50 perpound

What's a hoagie without cheese?! NONSENSE!The graph to the right shows the cost (y) of buying (x) pounds of cheese.What is the cost of cheese per pound?

Press Here for the Graph

Right!

Let's move on to the next question

6/10

y = 8x

y = 0.40x

Hoagie rolls come in a pack of 8. Each pack costs $3.20.Which equation below shows the cost of hoagies (y) when buying (x) number of individual rolls?

y = 4x

Right!

Let's move on to the next question

7/10

$35 per hoagie

$7.00 perhoagie

$3.50 per hoagie

You spent a total of $35 on groceries making 10 hoagies.How much did it cost to make each hoagie?

Right!

Let's move on to the next question

8/10

y = 7.50x - 35

y = 7.50x + 35

Since it costs $3.50 to make each hoagie, you decide to sell them for$7.50 each.Which equation shows theamount of money you make (y) after selling (x) hoagies?Remember to account for thecost of groceries!

Right!

Let's move on to the next question

9/10

I'm notgraphingit.

I uploadedmy snipin edio.

Open Desmos Graphing Calculator by pressingthe hoagie below.In Desmos, graph the linear equationthat represents your total profit.y = 7.50x - 35Take a snip of your graphand upload it in edio.

Right!

Let's move on to the next question

10/10

more than 4 hoagies

more than5 hoagies

Based on your graph, how many hoagies do you have to sell in order to make a profit?

5 hoagies

Congratulations!

You have a plan!!Go make some dough!

start over?

Resources

Wrong

Try again!