Greg built a plane model. The initial weight of Greg’s model was 21.8 pounds. He added a propeller that weighed 1 6 of the initial weight of the model. Greg estimates that the total weight of the model with the propeller is about 24 pounds. Is Greg’s estimate of the total weight of the model reasonable?

3rd box is the answer

step-by-step explanation:

the reason why your question keeps getting deleted because this is not a school related question : )

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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