[ Homework Help ] Open Question : “If a runner runs the first leg in 52 seconds plus or minus 2 seconds=?iso-8859-1?Q?=2C_write_an_equation_to_find_the...?=

[ Homework Help ] Open Question : "If a runner runs the first leg in 52
seconds plus or minus 2 seconds, write an equation to find the...

I don't want the answer. I just want to know how to do the problem, I've
been stuck on it for a while.