Question 1172627
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x = number of green cross alcohol 500ml
y = number of casino rubbing alcohol 150ml<br>
120 (Php) = cost of each green cross alcohol
45 (Php) = cost of each casino rubbing alcohol<br>
The total sales is at most (i.e., less than or equal to) 1000 (Php):<br>
{{{120x+45y <= 1000}}}<br>