Let g be the number of grandchildren, and d be the number of dogs. They both have only one head, so the number of heads is

Grandchildren have 2 legs, while dogs have 4. So, the total number of legs is

From the first equation (the one for the heads) we can derive

Substitute this into the second to get

So, there are 9 dogs and (from the first equation

231.4513322 metres squared.
because 24^2 - all circle areas all over 2
Answer:
the answer is A
Step-by-step explanation:
Answer:
d)15 apples
Step-by-step explanation:
We know that she gives 2 red apples and 1 green apple to 5 friends and has no more left over. you add 2+1=3 Then you multiply 3x5=15.
Hope this helps! Have a great day ahead. Tell me if I'm wrong :) Stay Safe <3