make a equation
slope find x
find y intersect
Ratios
Proportions
100

b=-4

m=3

y=3x-4

100

y=-36x12

-36

100

y=7x-3

-3

100

Harry needs 21 square meters of fabric for every 6 wizard cloaks he makes.

Fabric (square meters)        Cloaks 

            14                            2


100

4/6

10/15

200

b=-14

m=1/3

y=1/3x-14 double points!

200

14x-12=y

-12

200

y=-5x12

12

200

Hanna is recovering hundreds of treasure chests from an ancient shipwreck. She is able to recover 8 chests every 4 hours.

Treasure chests      Hours

12                            4

200

4/k=6/11

k=22/3

300

m=-32

b=-15

y=-15x-32

300

8-x4-=y

-4 triple points!

300

y=-14x-1

-1

300
28= 5 56

24/6

300

n/8=11/5

n=88/5

400

b=-1/5

m=-3/5

y=-3/5x-1/5

400

y=13x-18

13 

400

13-x4=y

-13

400

8 3/4=5/6

10.58

400

R/5 = 4/7

R=20/7 triple points!

500

m=3/7

y=2/4

3/7x2/4

500

13-x12=y

12

500

14-x12=y

-14 double points!

500

2 1/2=$60

$24

500

8/3=12/n

n=9/2

M
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