The ratio of dogs to cats at an animal shelter is 3: 2. how many dogs are at the shelter if there is a total of 30 animals?
a)5
b)18
c)12
d)30

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Find the value of x. round the length to the nearest tenth