ctyrector
04.11.2019 •
Mathematics
Maya invested her savings in two investment funds. the amount she invested in fund a was $7000 less than the amount she invested in fund b. fund a
returned a 7% profit and fund b returned a 6% profit. how much did she invest in fund b, if the total profit from the two funds together was $1590?
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Ответ:
6x+19+x = 180
7x+19 = 180
subtract 19 from both sides
7x = 161
divide both sides by 7
x = 23 degrees
6(23)+19 = 138+19 = 157
<DBC = 23 degrees
<ABC = 157 degrees