13-15. Due to pandemic, Alvin is inviting at most 4 of his friends over for his birthday
and wants to stay below his budget of P160.00 for the food. The cost will be
P30.00 for an adult's meal and P 10.00 for a child's meal. If x represents the
number of adults and y represents the number of children. Find the number
of adults invited.
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Answer:
If x represents the
number of adults and y represents the number of children. Find the number
of adults invited.