Answer: The original number is 15.
Step-by-step explanation:
Call the numbers x and y. According to the first sentence, x + y = 67. According to the second sentence, x = y + 5. You can combine these two equations to find the values of these variables:
x + y = 67
(y + 5) + y= 67
2y = 62
y = 31
You can use this to find x by plugging in y to either original equation:
x = y + 5
x = 31 + 5
x = 36
-4/6 times 2 is -8/12
x - 8/12= x + 2/12
0=10/12
0=5/6
but since 0 does not equal 5/6, this will be no solution
D because I answered it at school and it was correct