Getting home
Bus #7 left the elementary school partially
filled and arrived at the middle school where fifteen students boarded the bus.
The bus continued as follows:
*At the first four stops, two students got
off the bus at each.
*At the next stop, three students got off
the bus.
*At the next six stops, one student got off
at each.
*Ten students got off at the recreation
center, where five kindergarten students boarded the bus.
*At the final stop, seven students got off
the bus leaving only the driver.
How many students boarded the bus at the
elementary school?
Include: Solution, Strategy, Proof
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