Alice spent 5/11 of her money on a backpack. she had $42 left. how much was her backpack?

Alright, lets get started.

Suppose Alice has total money = x

Alice spent of her money on a backpack.

Means Alice spent money on her bagpack =

So, remaining money she had =

Making common denominator

As per given question, she had $ 42 left means

Cross multiplying

Means total money Alice had = $ 77

She spend on her bagpack means

$ 35

Means Alice spent $ 35 on her bagpack. : Answer

Hope it will help :)

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.