queentynaisa
11.06.2020 •
Mathematics
4x + (-3y) = -13
10) The next year, Yosemite raised the prices
due to President Trump's cuts to funding for
national parks. The number of people in
in
each van and the total cost of the first day's
hike are shown on the table. Find the adult
price and student price of the hiking tour.
Van
Adults
3
A
Students
15
12
Cost
$285
$240
B
3
Solved
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Ответ:
100%-5%=95%
840*95%:100% = 798 (£) - the number sought