7x+2y=24
<span>-8x-2y=-30 (multiplied each side by -1)
-x = -6
x = 6
</span>7x+2y=24
7(6)+2y=24
42+2y=24
2y = -18
y = -9
Radius is 12. circumference is equal to 24*pi. Angle CFE is equal to 140.
From the ratio given we know that there is 3 times more cats than dogs.
If there are 15 cats, then there are 15/3 dogs or 5 dogs.
answer: 5 dogs
I suppose you want to know such number. Since we have a two digit number consisting of two consecutive integers, the only possible numbers are:

Since we sorted all the cases out, we simply have to check which one satisfies the requirement. For each number, we'll write four times the the sum of its digits, and add 6, hoping to get the original number.



So, the answer is 34.