The second solution: 60×50%=30 (width) 60+30=90 (width)

A: 90 of them won the second prize.

(2)100%-50% = 50% 90 ÷ 50% =180 (width)

A: 180 won the third prize.

The second unit "1" won the third prize, not the second prize. After checking, I knew I was right.