Mandy has a store cash certificate for $10 to a store. She also has a 10% coupon for the purchase of a single item but it cannot be used with any other offer. If Mandy wants to buy a purse for $89.99 which way should she pay for it? Show work supporting your answer.

Respuesta :

$10 off would save the most money
the 10$ option is a about 9 cents cheaper than the 10%