Whew! You helped collect all the treasures and Meg is very grateful. Now, reflect on what you learned. In a few sentences, write about what you learned while exploring fractions using the interactive number line.

Positive fractions are to the right of zero, and negative fractions are to the left. Fractions increase as you go from left to right. They decrease as you go from right to left.

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

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