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Radda [10]
3 years ago
10

Jonathan replaced the original factory tires (P220/65 R 18) on his pickup truck with (P255/60 R 17) tires. Calculate the circumf

erence of Jonathan’s ORIGINAL tires. Explain your results
Mathematics
2 answers:
svet-max [94.6K]3 years ago
3 0

Answer:

92 inches

Step-by-step explanation:

When a tire's size = P220/65 R 18, it means that:

  • the rim is 18 inches wide (or 457 millimeters)
  • the width of the tire is 8.7 inches (or 220 millimeters)
  • the sidewall of the tire is 5.65 inches (or 144 millimeters)
  • the 65 shows the relationship between tire width and sidewall (65%)

the total diameter of the tire = 5.65 + 18 + 5.65 = 29.3 inches

the circumference = 2 x π x radius   or   diameter x π = 29.3 x 3.141592 = 92 inches

3241004551 [841]3 years ago
3 0

Answer:

<h3><em>The circumference of Jonathan’s </em><em>original</em><em> </em><em>tire is <u>92 inches</u>.</em></h3>
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