Lia, phil, and cam colllect a total of 200.30 for a holiday fundraiser. phil collects 12.80 more than lia. cam collects 3 times as much as lia. how much does each person collect?

How can you decide witch operations to use to slice a two step equation

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

How do i do this activity, is appreciated