Your goal is to run a mean of 45 minutes per day for a week. for the first six days, you run 38, 40, 40, 42, 43, and 50 minutes. how many minutes must you run on the seventh day to reach your goal exactly?

l.jnl.j/n.m,lm,

step-by-step explanation:

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b