My guess would be Probability
29.135
Explanation
Hope this helps!
Multiply 6x2 and you will get 12 and subtract that by the number 14 you see in the number and bring down the 4 and divide 24 by 6 and the quotient you will put next to the 4 and multiply 4 x 6 and you'll get 24 and subtract that by 24 and the remainder is zero
The answer is 5
ratio 4:10 simplified : 2:5
x = number of miles you walk
5*x = amount of money the cousin donates
25 = amount of money your friend donates
5x+25 = total amount of money donated
y = total amount of money donated
y = 5x+25
Answer: y = 5x+25