Laura cut a piece of string. she cut off a piece that is 19 inches long and used it for a necklace. now she has a piece of string that is only 13 inches long. how long was the string to begin with?
A. p = 2(l + w)p/2 - l = ww = p/2 - l b. while isolating the variable w in the equation, i first divided both sides by 2 and then i subtracted l from both sides. i hope this .
Answer from: Quest
first one because it can't have a fraction in it
step-by-step explanation:
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