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I need help with 25 aleks questions. I will send each question one by one since I can’t send them all at once.
An investment firm invested in two companies last year. They invested $11,000 in Company A and made a profit of 24%. They invested $14,000 in Company B
and made a profit of 15%.
Answer the questions below. Do not do any rounding.
(a) What was the investment firm’s total profit?
si
(b) What was the percent profit for their total investment?
X S
?
A chemist mixes 175 milliliters of a solution that is 62% acid with 75 milliliters of pure acid.
Answer the questions below. Do not do any rounding.
(a) How many milliliters of acid are in the resulting mixture?
milliliters
(b) What percentage of the resulting mixture is acid?
0 %
X Х
5
?
Last year, Pablo deposited $7000 into an account that paid 11% interest per year and $1000 into an account that paid 5% interest per year. No withdrawals
were made from the accounts.
Answer the questions below. Do not do any rounding.
(a) What was the total interest earned at the end of 1 year?
$
(b) What was the percent interest for the total deposited?
1%
Х
5
?
Rewrite the set E by listing its elements. Make sure to use the appropriate set notation.
E={x | x is an integer and – 3
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