ratios and propotion

There are 21 boys and 6 girls in Mr. Keys' homeroom.  What is the ratio of girls to boys?  

• 6:21
• 21:6
• 2:7
• 7:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 3:2

• 2:3

• 1:5

• 10:16

Tommy has a bag of LEGOS. There are 6 yellow, 3 red, and 8 blue LEGOS. What is the ratio in simplest form of red to yellow LEGOS?

• 1:2

• 6:3

• 2:1

• 3:6

What is the value of x.  $13:30::x:90$  

• 16

• 39

• 3

• 83

Which is NOT an equivalent ratio to 4:3

• 6:5

• 8:6

• 12 : 9

• $20:15$

if A:B = 2:5 and B:C = 6:7 , find A:B:C

• 2:36:7

• 12:30:35

• 3:7:30

• 4:30:7

are the numbers 3,5,7 in continued proportion?

• yes

• no

• i did not understand this topic

find the ratio of 5L to 250mL in simplest form

• 20:1

• 5000:250

• 10:5

• 2:1

are the numbers 3,9,12 in continued proportion?

• no

• yes

• i did not understand

the cost of 12 books are 208 ruppees what is the cost of 20 books?

• 26

• 34

• 68

• 104