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3 years ago

3). AFTER PAYING HER BILLS CAROL HAS -$45 IN HER CHECKING

Mathematics

2 answers:

bazaltina [42]3 years ago

8 0

-45 + 150 = 105

Carol has $105 in her account after receiving her paycheck.

Murrr4er [49]3 years ago

4 0

Answer:105

explanation: -45

+150

_ ___

105

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Sandra bought a new coat for $49.99 and 3 skirts for $24.99 each . If the Sale tax rate is 7% to the nearest cent what is the am

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Answer:

$133.71

Step-by-step explanation:

49.99 + 3(24.99)

49.99 + 74.97

124.96 (1.07) <----- sales tax

about 133.71

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3 years ago

20% of Aussies have blue

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Answer:

Step-by-step explanation:

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Multiplying both sides by 100 and dividing both sides of the equation by 20 we will arrive at:

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3 years ago

Evaluate f(x)= -x2 + 1 for x=-3

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3 years ago

Haruki has $20 in his savings account. Each

wlad13 [49]

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3 years ago

You win $10 000 in a Best Math Student competition. Being a generous person, you decide to invest the money

krok68 [10]

Cumulative costs of the investments of a mutual fund you currently hold are the amount invested. Net Investment is one investment action's net amount of inflow.

Invested Amount in PP $\bold{= \$2400}$
Invested Amount in TT $\bold{= \$(10000 - 2400) = \$7600}$

Solution:

The formula for calculating the simple interest:

$\to \text{Simple interest} = principal \times rate \times time$

Total amount = 10000

Let :

Invested Principle (PP) $\bold{= r}$ ............................. (i)
Invested Amount in TT $\bold{= 10000 - r}$ ................................. (ii)

From both investments total earned interest = $620

$\to \bold{PP \ investment \ return + TT \ investment\ return = 620}$

$\to (r \times 10\% \times 1) + (10000 - r \times 5\% \times 1) = 620\\\\\to (r \times \frac{10}{100} \times 1) + (10000 - r \times \frac{5}{100} \times 1) = 620\\\\\to (r \times 0.10 \times 1) + (10000 - r \times 0.05 \times 1) = 620\\\\\to 0.1r + 500 - 0.05r = 620\\\\\to 0.05r = 620 - 500\\\\\to 0.05r = 120\\\\\to r =\frac{ 120}{0.05}\\\\\to r = 2400$

Therefore,

Invested Amount in PP $\bold{= \$2400}$
Invested Amount in TT $\bold{= \$(10000 - 2400) = \$7600}$

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8 0

2 years ago