2.5×103 times what number is equal to 5×106

Using d, e, and f as values on a triangle and d being 60 degrees, what is the value of e and f if d is 60 degrees? also, what do you notice about the values of e and f?

An equation where variables are used to represent known values—function notation true or false

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys