RegencySlayer5304
29.07.2019 •
Mathematics
Me hermione ‘s bikes rents bikes for $10 plus $4per hour . tayjah paid $30 to rent a bike. for many hours did she rent the bike ?
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Ответ:
As it's 4 dollars per hour, 20 will be divided by 4.
20/4 = 5
So 5 hours.
Ответ:
5(3x-8)+11 = 2-2x+3(x-4)
15x - 40 + 11 = 2 - 2x + 3x - 12
15x -29 = -10 + x
15x - x = -10 + 29
14x = 19
x = 19/14