Four more than seven times a number is the same as twenty less than three times the number

Let's start by setting up our equations.

Let's call the number "x"

So,

The first part can be represented by

And the second part can be represented by

Then we just set them equal and solve

-8 Is the answer

3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong