Aclass of 50 students elected a class president. candidate a received 15 votes. candidate b received 25 votes. the remaining students did not vote. which expression gives the percent of voters who voted for candidate b?

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?

Can someone me with these questions? ?