Giải các phương trình sau ( x - 2 )( 3x + 5 ) = ( 2x - 4 )( x + 1 )

California attracted people from many countries when gold was discovered in 1848.

A. Discovered in 1848, gold was attractive to people in California.

B. Discovered in California in 1848, gold attracted people from many countries there.

C. Gold in California was discovered in 1848 after many people came here.

D. When people are attracted to California, they discovered gold in 1848.

Lớp 5A có 28 bạn, trong đó có 8 bạn nữ. Tỉ số phần trăm của số bạn nữ so với số học sinh nam là:

A. 40 % 

B. 62,5% 

C. 28,57 %

D. 62,57 %