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Answer:

Explanation:
→ We want to calculate the percentage increase we saw in our premium.
→ To calculate the percentage increase we saw in our premium, let's calculate the difference between our first six-month car insurance premium and our renewal premium:

→ Calculate the percentage:
→ The formula used to calculate the percentage is:

→ Apply this formula with value = 157.25 and total value = 629.00:

→ Simplify the expression:

Conclusion:
The percentage increase we saw in our premium is 25%.