Answer: 48/10
Step-by-step explanation: 65/10 - 17/10 = 48/10 also known as 4 8/10
Answer: 13/20 of the video games at both of their houses.
Step-by-step explanation: The equation is 1/4 + 2/5. You need to find their common denominator which is 20, so the equation is now 5/20 + 8/20 = 13/20, which can't be simplified.
The error is that 9 shouldnt be written as nine it should be written as 3x3 or 3^2. So the answer should be 2^3 x 3^2 because 9 can be divided into even more prime factors of 72.