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Sagot :

Answer:

15 ounces left

Step-by-step explanation:

because 1/10 is 3 ounces and 2/5 is 12 ounces.

more in depth.

30×1/10 = 3

30×2/5 =12

and 3 + 12 is 15

and 30- 15 is 15 ounces