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tammydbrooks43
03.02.2020 •
Mathematics
Idon’t know how to set this up.. i need on it !
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Ответ:
$37,600 was invested at 3%
Step-by-step explanation:
The problem statement shown seems to ask only for the amount invested at 3%, so we'll let that amount be represented by x. The x/2 is the amount invested at 9%, and the total annual interest is ...
0.03·x + 0.09·(x/2) = 2820
0.075x = 2820 . . . . . . . . . . . . . simplify
2820/0.075 = x = 37,600 . . . . divide by the coefficient of x
Jolene invested $37,600 at 3%.
___
The amount invested at 9% is half that, $18,800.
Ответ:
A chef has 5 blocks of butter. Each block weighs 1 pound. She cuts each block into fourths. How many 1/4 -pound pieces of butter does the chef have?
Step-by-step explanation:
ssorry thanks for the points