Lemming Company has current assets of 300000 current liabilities of 100000 and inventory of 150000 Lemming's acid-test ratio is?

The Acid Ration test formula is:

Cash + Short Term investments + Net Current Receivables / Current Liabilities

Without having the full information needed, it's impossible to give you an accurate answer, however, using just the numbers you provided the equation would be:

300000 + 150000 / 100000

450000 / 100000

4.50

Which is an unusual high number for most companies.