2gifts have the same pound of 10. and the other have 20 pounds. how many ounces are there in all?

2 have 10
others have 20

5 present total
2 have 10 pounds
5-2=3
3 have 20 pounds

total weight=2 times 10+3 times 20=20+60=80

80 bounds
1pound=16oz
80 times 1pound=16oz   times 80
80 pounds=1280oz

answe ris 1280 oz

Skew lines(segments) are lines(segments) in 3 dimensions that do not intersect the given segment and are not parallel to it.  ae, bf, eg, and fh are your skew segments.  i hope that : )