Ted is packing boxes. He packs 88 boxes in 8 hours. Since he is getting better, each hour he packs 4 more boxes than the previous hour. How many did Ted pack in the 2nd last hour?

Question

Complete using algebra if able.

Answer 1

88 in 8 hours

4 more each hour

x in first hour

x+4 in 2nd

x+8 in 3rd

x + 12 in 4th

x + 16 in 5th

x + 20 in 6th

x +24 in 7th

x +28 in 8th hour

8x + 112 in 8 hours = 88

8x = 88-112 = -24

x = -24/8 = -3 boxes packed in 1st hour, which is weird, but maybe he's so inexperienced he's messing up 3 boxes just trying to figure out how to pack a box the first hour.

that makes the 2nd to last or 7th hour -3 +24 = 21 boxes packed in the 7th hour