All else being equal, a study with which of the following error ranges would be the most reliable?
A. +5 percentage points
B. 110 percentage points
C. +20 percentage points
D. 15 percentage points

How to use order of operation in 20 divide by 4 multiply 5 = 1

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Find y to the nearest hundreds place