Of the 3/5 students that participate in sports at Laughlin Middle School, one-half of them participate in basketball and one-fourth of them play football. For each sport, find the fractional part of the students that participate in both sports.

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g