When x = 4 and we have 12+x/4+x we can substitute 4 in for x.
12+4/4+4 = 12 + 1 + 4 = 17
Answer:
Answer is (a)
Step-by-step explanation:
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Since we aren't told the length of the 3rd bar, focus solely on the lengths of the first 2 bars. Add together their lengths: 1.15 cm + 3.92 cm = 5.07 cm.