Luann talked on her cell phone for 180 minutes, using 3/7 of her total monthly minutes. find out how many total minutes luann gets to talk in one month using at least two different methods.

Alright, lets get started.

Method 1:

Suppose Luann gets total monthly minutes = x

She spent of her monthly minutes means

she has spent =

As per given in question, she has used 180 minues, so

Cross multiplying

Dividing 3 in both sides

x = 420

Means she had monthly 420 minutes : Answer

Method 2 :

of her total monthly minutes will be = 180

So, 1 or say complete month total minutes will be =

So, 1 month total minutes will be =

So, the answer is 420 minutes : Answer

Hope it will help :)

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0