Suppose the one's digit is x, the ten's digit is y. the original number is 10y+x, the reversed number is 10x+y
x+y=13
(10x+y)=(10y+x)-9 =>9y-9x=9 =>y-x=1
Add the two equation to solve: 2y=14 =>y=7
x=13-7=6
the original number is 76.
Answer: 42.24
Step-by-step explanation:
42.24
33 x 128
100
= 42.24
Answer:
add the numbers and divide by how many numbers there are, thats how you find the mean
Step-by-step explanation:
The answer would be 6 the easy way is to divide 48 by 8
13 143rds would be written as 13/143.
