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prohojiy [21]
2 years ago
12

A laptop has a listed price of $611.98 before tax. If the sales tax rate is 7.75%, find the total cost of the laptop with sales

tax included.
Round your answer to the nearest cent, as necessary.
Mathematics
1 answer:
Andrei [34K]2 years ago
6 0

Answer:

$659.41 is the total with tax rounded

Step-by-step explanation:

$611.98 * 7.75%= 47.42845

$611.98 + 47.43 = $659.41

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Erika bought 3 kilograms of cinnamon red hots and 1 kilogram of gummy bears for $21.00. Meanwhile, Irene bought 3 kilograms of c
grin007 [14]
Erika $21
3k of cinnamon
1g of gummies

Irene $39
3k of cinnamon
3k of gummies

c= cost of 1 kilogram of cinnamon
g= cost of 1 kilogram of gummies

Erika's Equation
3c + 1g= $21

Irene's Equation
3c + 3g= $39

Solve for one variable in equation one and substitute it in the other equation.

3c + 1g= 21
subtract 3c from both sides
g= 21 - 3c

Substitute g=21 - 3c in equation
3c + 3g= $39
3c + 3 (21 - 3c)= 39
multiply all in parentheses
3c + 63 - 9c= 39
63 - 6c= 39
subtract 63 from both sides
-6c= -24
c= $4

Substitute c=4 in equation to find g
3c + g= 21
3(4) + g= 21
12 + g= 21
subtract 12 from both sides
g= $9

ANSWER: The price of 1 kilogram of cinnamon red hots is $4. The cost of 1 kilogram of gummies is $9.

Hope this helps! :)
3 0
3 years ago
A rectangular lawn measuring 24 feet by 16 feet is surrounded by a flower bed of uniform width. The combined area of the lawn an
ArbitrLikvidat [17]

Answer:

6 feet

Step-by-step explanation:

(24+x)(16+x)=660

384+24x+16x+x²=660

x²+40x-276=0

x`= 6

x```= -46......no serve

Answer......is 6 feet

5 0
2 years ago
How do you solve 2 3/4 +6
vagabundo [1.1K]
This is a picture of how you solve the equation

4 0
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9
27/9 = 3
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3 0
2 years ago
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Answer: B 21

Step-by-step explanation: There are 14 boys divide that by two you get seven and then you times that by three which equals 21

6 0
3 years ago
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