Will any one help me no one has for the past hour

Jocelyn was able to get a great interest rate on her house. She financed $150,000 for 15 years with an interest rate of 2.75%.

How much will she pay in interest over 15 years? (just put the numerical value, no $ sign

must show work

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation:

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