Tutors Answer Your Questions about Reduction-of-unit-multipliers (FREE)
Question 474342: a genetic researcher uses 25-meter rolls of chromatography paper at a cost of $47.60 per roll. The paper is cut into 3-inch strips for each test.
A. How many strips can be obtained per roll?
B. what is the cost of the paper per test?
Click here to see answer by jorel1380(2518)   |
Question 481125: Could someone please help me; there is an up coming Algebra test next week about the basics of Algebra. I dont have an all too good Algebra teacher, as I asked him what he meant, he told me to think about it. Could someone please explain to me what the basics of Algebra are, or how I can better understand them?
Click here to see answer by mananth(12270)  |
Question 483795: Hi, I am 10, in grade 5 and am working with fractions so this is all new to me. My math question is how to work out the following:
1) calculate 4/5 of 7kg.
2) 3/4 of 5km.
3) 4/6 of 2 days.
4) 6/7 of 63litres.
5) 5/8 of R960
6) 5/6 of 3hrs
7) 9/12 of 132
If you can please explain how to work these out, I would be very grateful.
Thank you
Savannah
Click here to see answer by richard1234(5390)  |
Question 483795: Hi, I am 10, in grade 5 and am working with fractions so this is all new to me. My math question is how to work out the following:
1) calculate 4/5 of 7kg.
2) 3/4 of 5km.
3) 4/6 of 2 days.
4) 6/7 of 63litres.
5) 5/8 of R960
6) 5/6 of 3hrs
7) 9/12 of 132
If you can please explain how to work these out, I would be very grateful.
Thank you
Savannah
Click here to see answer by Edwin McCravy(8999)  |
Question 492405: For my homework i have to convert 38 inches to miles using two unit multipliers. I thought of going from inches to feet to miles. So far I have set the problem up as 38in./1 * (blank)/1 in. As you can see I'm not sure what goes above 1 inch or how to finish the problem.
Click here to see answer by ankor@dixie-net.com(15746)  |
Question 492655: A sunscreen product contains 3.00% avobenzone. if each bottle contains 177g of sunscreen how many grams of Avobenzone is needed per bottle? How many kilograms of avobenzone would be needed to make 1,000 bottles of sunscreen?
Click here to see answer by WhuddaPeach(6)  |
Question 496860: Two cars, 360 kilometers apart begin driving toward each other on a long straight highway. One car travels 80 kilometers per hour and the other 100 kilometers per hour. At the same time a canary, starting on one car, flies back and fourth between the two cars as they approach each other. If the canary flies 120 kilometers per hour and spends no time to turn around at each car, how far has it flown when the cars collide?
Click here to see answer by Alan3354(31519)  |
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