Steph bought a used bicycle, restored it, and then marked it up by 1/4 of the price she paid. Later, she sold it for the marked-up price of $80. How much, in dollars, did Steph pay for the bicycle?

answer: the value of x is 7cm

step-by-step explanation:

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step-by-step explanation:

because i said it is

b: |12 – x| ≤ 0.25

step-by-step explanation:      

let x be the possible lengths in inches, of the ribbons jaime cut.

we have been given that jaime is cutting strips of ribbon for a project. he tries to cut each piece to be 12 inches long, but sometimes he cuts it too long or too short by as much as 0.25 inch.  

we can represent this information in an inequality as:

by the definition of absolute value function we will get,

upon combining our inequalities we will get,

therefore, the inequality   describes all the possible lengths (x), in inches, of the ribbons jaime cut.

step-by-step explanation:

look at photo