smartowl101
07.11.2020 •
Mathematics
Of 200 employees of a store located in downtown Boston, 72 people take the subway to work, 48 take the bus, and 28 people take both the subway and the bus. How many employees
(a) Take the subway or the bus to work?
(b) Take only the bus to work?
(c) Take either the bus or the subway to work (but not both)?
(d) Get to work by some other means?
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Ответ:
12= d ÷1/3 |multiply both sides by 1/3
d= 4miles
40 mins ÷ 60= 2/3 hrs
Speed=d ÷ t
*804=d ÷2/3 |multiply both sides by 2/3
d=536
4+536=540 miles
*not sure if you meant 80.4miles/hour if so d=53.6 and total distance =57.6 miles