Molly, an accountant, observes that her company purchased combination locks at a cost of $0.75 and is currently selling them at a price of $2.16. What percentage is the mark-up?

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

step-by-step explanation:

dont know

step-by-step explanation: