Wednesday

October 22, 2014

October 22, 2014

Posted by **Lewis** on Monday, October 7, 2013 at 9:55am.

2.)Arman has 1160 annual income from bonds bearing 3% and 5 % interest. then he added 25% more of the 3% bonds and 40% more of the 5 % bonds, thereby increasing his annual income by 410. find his initial investment in each type of bond

i have a couple of problems like these,please help--show me the formulas and solutions to these so i can study how it's done

thank YOU so much

- Math help!! for finals -
**Steve**, Monday, October 7, 2013 at 12:08pmpicture area = 8x12 = 96

If the frame has width w, then the total framed area is

(8+2w)(12+2w) = 96+96

now just solve for w and get the new dimensions

If the 3%=x and the 5% = y, then

.03x + .05y = 1160

.02(1.25x) + .05(1.40y) = 1160+410

now just solve for x and y.

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