List some ways that states tried to keep African-Americans from voting after reconstruction

Poll taxes and literacy tests kept many blacks from voting. Many southern states also disenfranchised blacks through use of the white primary. This was a primary election in which only whites could participate.

12 days because 1/4 is 25% of 100 if 100 is equal to 1 pound then multiply 3 by 4 which equals 12

Ibelieve the answer is c