Andre has more money than bob if Andre gave bob $20 they would have the same amount while if bob gave Andre $22 Andre would then have twice as much as bob how much does each one actually have. explain why

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14-10-2014
Mathematics

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Andre has more money than bob if Andre gave bob $20 they would have the same amount while if bob gave Andre $22 Andre would then have twice as much as bob how much does each one actually have. explain why

Sagot :

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luana luana · Answer 1 · 2014-10-14T15:59:40-04:00

luana luana

14-10-2014

[tex]x-\ Andre's\ money\\ y-\ Bob's\ money\\\\ x>y\ \ and\\ x-20=y+20\ \ and\\ 2(y-22)=x+22\\\\ x=y+40\ \ and\\ 2y-44=x+22\\\\ 2y-44=y+40+22\\ 2y-44=y+62\ \ \ \ |Add\ 44\\ 2y=y+106\ \ \ |subtract\ y\\ y=106\\\\ Andre\ has \ 146\$\ and\ Bob\ has\ 106\$. [/tex]

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Andre has more money than bob if Andre gave bob $20 they would have the same amount while if bob gave Andre $22 Andre would then have twice as much as bob how much does each one actually have. explain why

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