410x400 is correct and your answer would be 164,000.
Answer: 45 cats
Step-by-step explanation: since you got 30 dogs. 2x15= 30 so to get the number of cats do 3x 15= 45cats
Answer:
8
Step-by-step explanation:
That is the quetion that sal khan explaind in the vid BOI
Set up a proportion
3 coins:8 notes and then the other one 24 coins : x (unknown notes)
they have a relationship so we can set them equal to each other.
3/8=24/x cross multiply: 8 * 24 = 192
Now divide that by 3: 192/3 = 64
So there are 64 notes in the bag
From the list of 9 weights we see that
Puppies in range 10-11 = 3
range 12-13 = 4
range 14-15 = 2
The second histogram described is the correct one.