Which model shows a ratio of 2 unshaded parts to 3 shaded parts?
6 shaded squares and 4 unshaded squares.
4 shaded squares and 6 unshaded squares.
9 shaded squares and 3 unshaded squares.
3 shaded squares and 9 unshaded squares.

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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the answer is a if my teacher taught me correct

236 cm 16 time 12 = 192

6 times 7 = 42

192+42