Answer:
(c) 15 + h > 100
Explanation:
You want a math model for the situation in which Tom has attended flight school for 15 hours, will attend for h more hours, and want the total to exceed 100 hours.
Hours
The total number of hours in flight school will be the sum of the 15 already attended and the h hours that will be attended. This total needs to be more than 100:
15 + h > 100 . . . . . . matches choice C
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