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sarbjit879
28.06.2019 •
Mathematics
The science club went on a two-day field trip. the first day the members paid $40 for transportation plus $14 per ticket to the planetarium. the second day they paid $85 for transportation plus $11 per ticket to the geology museum. write an expression to represent the total cost in dollars for two days for the n members of the club.
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Ответ:
(40 + 14n) + (85 + 11n) = total
Step-by-step explanation:
Two brackets must be needed as there are two days which both contain different calculations.
The first bracket must contain 40+ because that is the price of transportation and wont change. Then, if there are n members that each cost 14 then we can show this by 14n (14 * n)
40 + 14n
Second bracket must contain +85 because that is a variable that wont change. Then if there are n members that each cost 11 then this can be shown by 11n (11 * n)
85 + 11n
Now, put brackets over both and add them together:
(40 + 14n) + (85 + 11n) = total
Which is the expression!
Hope this helps!
Ответ: