The steamboat river queen travels at the rate of 30km/h in still water. if it can travel 45 km up stream in the same amount of time that it takes to go 63 km down stream what is the rate of the current.

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol