Answer: 35.3
Explanation: (-3-2-1+0+1+2+....27)/30 = 35.3
Answer:
?
Step-by-step explanation:
I think it would be the Multiplication property of equality
The 4-6 in the Parenthesis [2(4-6)2] (PEMDAS)
Answer: There are 99 three-legged-cows and 28 chickens.
Step-by-step explanation:
Let x be the number of three-legged-cows and y be the number of chickens.
Number of legs in chicken = 2
The according to the question, we have the following equations :-

Multiplying 2 to the equation (1), we get

Now, subtract equation (3) from (2), we get

Put x= 99 in (1), we get

Hence, there are 99 three-legged-cows and 28 chickens.