100 people at dinner. 90 had french heritage, 80 had english heritage, and 75 had native american heritage. at least how many had heritage from all theee cultures?

here is your mark brainliest

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

since, she already spent $112.49

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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