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16. ALGEBRA The Trevor family pays its horne insurance premium
quarterly. After the family made some improvements on the home, their
home insurance premium went up by $65.80 for the fourth quarter. If
the average quarterly home insurance premium after the increase was
$163.35, what was the quarterly premium before the increase?


Sagot :

Based on the current quarterly premium and the and the amount it increased by, the previous premium was $99.55.

The premium was a certain figure and when this figure was increased by $65.80, it went to $165.35.

The equation is:

165.35 = x + 65.80

Solving for x would give:

165.35 = x + 65.80

x = 165.35 - 65.80

= $99.55

The previous premium was therefore $99.55.

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