Can someone help me please ASAP with number 6,7,and 8

i'm not sure i quite understand, could you provide more information?

true? is that what you're asking or do you mean something else?

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

what is the model?

step-by-step explanation: