Monday, November 1, 2010

HELP ME WITH MATH!!!?

HELP ME WITH MATH!!!?
I need som help with my math please.. 52,8:10 4,7:8 i dont know how to makes this on the computer, and i,m not from usa so i speak a different language.. but it says.. 2 3_4 but the 3 and 4 is besides the 2 and 4 is below the 3. 8%of3000 1_6 (the same as before, 6 is below 1) of 120 the interest of 750 kr(danish money) in a year to 4% p.a. is they are proberly easy, but please help.
Mathematics - 1 Answers
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I am not sure what these numbers are for 52,8:10 ; 4,7:8?? Are they page and problem numbers in your book?? The 2 3_4 would be written as 2 3/4 which means 2 plus 3 divided by 4 or as we say 2 and three fourths. You didn't say what needed to be done with it? 8% of 3000 mean 8/100 of 3000 so we need to multiply 8/100 x 3000 = 24000/100 = 240 1_6 would be 1/6 or as we say one sixth, which means 1 divided by 6. So 1/6 of 120 means we need to multiply 1/6 by 120. 1/6 x 120 = 120/6 = 20 Interest is equal to the principal x rate x time. (the principal is the amount of money) I = P x R x T =750 x 4/100 x 1 = 30kr Of course 4/100 is the same as .04, if you want to use decimals instead of fractions. Merry Christmas