Kathryn sells baked macaroni that cost ₱50 and carbonara that costs ₱75. Which of the following linear inequalities will represent the given situation if the customer has at most ₱350?
a.
[tex]x + y \geqslant 350[/tex]
b.
[tex]x + y \leqslant 350[/tex]
c.
[tex]50x + 75y \geqslant 350[/tex]
d.
[tex]50x + 75y \leqslant 350[/tex]
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