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3 years ago

Dr.sox paid $1580 for a new computer system. She also paid 6.5% sales tax. How much was total cost?

Mathematics

1 answer:

Andru [333]3 years ago

4 0

Answer:

$1,682.70

Step-by-step explanation:

Convert the percent into a decimal by multiplying by 0.01: the percent in this problem is 6.5%, so when you multiply by 0.01, you get 0.065
Multiply the price by your new decimal: in this case, that would mean to multiply 1580 by 0.065, which gives you 102.7. <u>Keep in mind that this is just the tax, not your final answer.</u>
Add the tax you just calculated to the original price: add 102.7 to 1580 to get 1,682.7. That is your final answer.

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PLEASE HELP!! this is due really soon

GuDViN [60]

Answer: There are 467 students at Holmes Junior High.

There are 342 students at Harper Junior High.

_________________________________________________

Step-by-step explanation:

_________________________________________________

Let " x" represent the number of students at Harper Jr. High.

Holmes Junior has: " (x + 125) " students .

Harper Junior High has: " x" students:

_________________________________________________

Together, the total number of students equal: " 809 " students.

so: " x + (x + 125) = 809 " .

We want to solve for "x" and " (x + 125)" .

We want to solve for "x" ;

then we can solve for " (x + 125) " by adding "125" ;

to our "solved value for "x" ;

____________________________________________

x + (x + 125) = 809 .

→ 1x + 1x + 125 = 809 ;

→ 2x + 125 = 809 ;

Now, subtract "125" from each side of the equation:

→ 2x + 125 - 125 = 809 - 125 ;

→ 2x = 684 ;

Now, divide each side of the equation by "2" ;

to isolate: "x" on one side of the equation; & to solve for "x" ;

→ 2x/ 2 = 684 / 2 ;

to get:

→ x = 342 ; which is the total number of students at Harper Jr. High.

Now, to solve for: " (x + 125)" ;

Plug in: "342" for "x" ;

→ " (342 + 125) " = " 467 " '

→ which is the total number of students at Holmes Jr. High.

_________________________________________________

Do our answers make sense:

Does: " 342 + 467 =? 809 ?? " ;

→ Yes!

_________________________________________________

Answer: There are 467 students at Holmes Junior High.

There are 342 students at Harper Junior High.

_________________________________________________

7 0

3 years ago

Read 2 more answers

kevin borrowed $32,500 to purchase a new car. If the rate on the loan is 6% compounded annually, how much will he pay in total o

VLD [36.1K]

Answer: He would pay $43492.33 in total over the course of the 5 years.

Step-by-step explanation:

Since we have given that

Amount he borrowed = $32500

Rate of compounded annually = 6%

Number of years = 5 yr

As we know the formula for "Compound Interest':

$A=P(1+\frac{r}{100})^n\\\\A=32500(1+\frac{6}{100})^5\\\\A=32500(\frac{100+6}{100})^5\\\\A=32500(1.06)^5\\\\A=\$43492.33$

Hence, He would pay $43492.33 in total over the course of the 5 years.

3 0

3 years ago

The green county sale tax rate is 6.5%. What is the total cost of purchasing a pair of shoes for $35 and a shirt for $22

dezoksy [38]

$60.71! Add $35 and $22 together, which is $57. Multiply that by 6.5% (0.065), which produces 3.705, which rounds down to $3.71. Add $3.71 to $57, and voila!

6 0

3 years ago

Divide 2x³-9x²+10x+4 by 2x -1

ehidna [41]

Answer:

$2x^{3} - 9x^{2} +10x + \frac{2}{x} - 1$

Step-by-step explanation:

Simplify each term.

4 0

3 years ago

P(J | K) = 0.3. Find P(J)

koban [17]

P (J ) = 1 - 0.3 = 0.7

as total prob. is always 1

hope it helepd

6 0

3 years ago