Answer:
115 - 90 = 25
Step-by-step explanation:
115 - 90, which is equal to 25, is less than or equal to x!
45:10 I think ? .. that’s how my teacher did it
An infinite number of solutions since the right side is equal the left side for every value of x.
when two numbers have the same variable, we can add and subtract just like normal numbers.
12x + 8x = 20x - 3x = 17x
Answer:
34 cm
Step-by-step explanation:
The actual question is How many inches of ribbon Peter will need to make the "X".
Using the Pythagorean theorem, the length of the diagonal of a square with 12 cm sides is:

Since the "X" requires two diagonals, the length of ribbon required is:

The length required, rounded to the nearest centimeter, is 34 cm.