Published
This book has everything you need to know for the math portion. Basic addition, subtraction, division, multiplication, fractions, ratios. It really does help. I made a C in College algebra but got a 96% on the math portion of the test thanks to this book.
Admission Assessment Exam Review, 3e: HESI: 9781455703333: Amazon.com: Books
A ratio is a comparison used to figure drug doses. An example would be one tablet =325 mg. The md orders 650 mg. That ratio would be x tablet = 650 mg. You would then put the two ratios together to solve for x.
325 mg : 1 tablet = 650 mg : x tablet
Multiply outer and inner and you get
325 mg x tablet= 650 mg
Divide both sides by 325 mg tablet so that x stands alone and you get
X = 2 tablets
Posted by: FutureRN_PJ
Original Content:
Im having a similar problem.. Ive been reading a lot that there are a bunch of "ratio" questions.. Can someone explain to me what that would consist of? I know how to solve a proportion, but what is a ratio question? Is it just like changing a decimal or fraction into ratio form?
Redhen84
76 Posts
I am horrible at math and I need to take the HESI. What kind of math questions are there? I can subtract, multiply, and divide lol that's about it! I took college algebra 11 years ago. Please help!