COBTZ Math

Ratios

100

What is the ratio for milk to cereal

Drahe poured himself a bowl of cereal about 10oz

and milk about 6oz 

what is 3:5oz

200

Jack's family went to two different places on Sunday.

Jack's family went to Church for 4 hours, and also Jack's cousins house from 4:00pm to 12:00am

What is the ratio for church to cousins most simplify in hours

What is 1:2 hours

300

Mr.Roy's classes are all in the auditorium for his 6th hour their are also two other classes in there as well. There are 38 boys and 32 girl in all the classes what is the ratio boy to girl

what is 19:16

400

If the total milk jug is 72oz and the chocolate syrup is 24oz what is the smallest ratio for milk to chocolate.

3:1

500

there are 50,000 people at a concert there are 7 boy for every 5 girls how many boys are there?

29166.6666667 or 29167

Equations

100

4a + 15 =31

A = 4

200

3a + 12 = 24

A = 4

300

6b - 12 = 18

b = 5

400

c + 1 =3 

C = 2

500

a²+b²=c²

^{There's a set a stairs with 15 steps diagonally about 1.5 ft each step what's the width and height.}

22.5 feet or 270 inches

Variables

100

2x=18

x=9

200

5x-2=10

x=12/5 or 2.4

300

4x/3=7

x=21/4 or 5.25

400

3x=5x

No Solution

500

(3z+82)+5=(4z+8)5

Z=47/17 or Z=2.765

fractions

100

Ethan had 3/4 of a cookie and eat he 1/4 the cookie how much does he have left ?

1/2

200

 Maya was trying to found the answer  2/5 +1/5 what the answer?

3/5

300

Help Mia found the answer to 7/10 +2/30  

23/30

400

Help Mrs.Smith answer the question?

She has 8 1/8 slices of pizza and she has 12 kids and 1 husband her husband eats 6 slices and the kids eat 4 slices each she wants to know how many pizza slices are left.

11 slices.

500

1 7/10 +7/4 

3 9/20

linear equations

100

7x+9=23

2

200

10y+2=72

y = 7

300

2a + 4=14

a=5

400

daily bonus plus another four hundred if right minus two hundred if wrong with minus four hundred. 

18-4x=5x

x=2

500

4(-8x + 5)= -30x - 26

x=23