Sonya plans to spend at least 15$ on berries to make pies. Strawberries are on sale for 3$ per pint, and blueberries are on sale for 1$ per pint. SHe plans to buy at least 8 pints of berries. Which system of inequalities can be used to determine the number of pints of strawberries, x, and the number of pints of blueberries, y, that Sonya should buy.
A=(3x+y≥15)
(x+y≥8)
B=(15≥3x+y)
(8≥x+y)
c=(15≥3x+y)
(x+y≥8)
D=(3x+y≥15)
(8≥x+y)