Lakeside mall

Katy went to lakeside mall. She had $75 to spend she purchased 3 items which cost $12.75, $32.57, and $21.84. How much more does she have to spend?

Correct answer:

x =  7.84 USD

Step-by-step explanation:

a=75 USD s=12.75+32.57+21.84=67.16 USD  a>s x=as=7567.16=7.84 USD

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