If 40% of students are female then how many students are female out of 40?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

How are algebraic expressions evaluated using substitution?