Meghan used her cell phone for 45 minutes each day for n days. Her
total minutes of cell phone usage was 540 minutes. Which equation expresses
how many days Meghan used her cell phone? *
O45 - n = 540
O 45 + n = 540
O 45 + n = 540
O 45n = 540

Hello,

This question is very easy. :) If she use phone everyday at 45 minutes, x days => 45x use.

Later x day, She use 540 minutes.

be 45x=540

x,

540/45 = 12

We see in the link:

Good lessons!

b

step-by-step explanation:

the word superfluous means unnecessary

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step-by-step explanation: