6*7:4

To solve \( 6 \times 7 : 4 \), you first perform the multiplication, then divide by 4.

1. Calculate \( 6 \times 7 = 42 \).
2. Now, divide by 4: \[ 42 \div 4 = 10.5 \]

So, \( 6 \times 7 : 4 = 10.5 \).