Sasha borrows $100 at 12% simple interest, to be paid back in 3 months. How much does she pay back

  $103

Step-by-step explanation:

Her borrowing is for 3/12 of a year, so her effective interest for the loan is ...

  (3/12)(12%) = 3%

That is, her interest charge is ...

  $100 × 0.03 = $3

and the amount Sasha pays back is $103.

where is the figure

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney