I need the equation for substitution or elimination process of this problem. Ryan works at the donut shop where he makes $10.25 per hour. he also works part time at the school book store where he makes $8.75 per hour. If he worked 20 total hours last week and made $196, how many hours did he work at the book store? I ONLY NEED THE EQUATION

all group life insurance is term insurance. actually it is annual renewable term and it is rated on the average age and claims experience of the entire group, which is called "experience rating." remember, this type of insurance has a 31-day grace period and is convertible to whole life upon leaving employment. a contributory group plan requires that both the employer and the employees pay part of the premium. at least 75% of those eligible must participate, so the group is sure to get most of the healthy employees as well as those that are sick.

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