4) A piece of hematite contains 70% iron. If the hematite weighed 60g,
how much iron would there be?
6) A survey of 250 trees in a small

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?