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Marrrta [24]
3 years ago
7

Felicia bought a jackhammer priced at $8.48. The total price, including sales tax, was $9.73. What was the sales tax percentage?

Round your answer to the nearest tenth.
Mathematics
1 answer:
lys-0071 [83]3 years ago
5 0

Answer:

14.7%

Step-by-step explanation:

GIVEN: Felicia bought a jackhammer priced at \$8.48. The total price, including sales tax, was \$9.73.

TO FIND: What was the sales tax percentage.

SOLUTION:

Price of jackhammer =\$8.48

Total price including sales tax =\$9.73

Total sales tax on jackhammer =9.73-8.48=\$1.25

Total sales tax percentage =\frac{1.25}{8.48}\times100=14.7\%

Hence the total sales tax percentage  on jackhammer is 14.7%

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The difference of the original two-digit number and the number with reversed digits is 18.

Step-by-step explanation:

Since it's a two digit number, let x represent the tens digit and let y represent the units digit.

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10x + y.

The reverse two digit number is;

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We are told that five times the sum of the digits of the two-digit number is 13 less than the original number.

Thus;

5(x + y) = (10x + y) - 13

Multiplying out the bracket gives;

5x + 5y = 10x + y - 13

Rearranging gives;

10x - 5x + y - 5y = 13

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Also,we are told that, four times the sum of its two digits is 21 less than the reversed two-digit number. Thus;

4(x + y) = (10y + x) - 21 - - - (4)

Simplifying gives;

4x + 4y = 10y + x - 21

>> 10y - 4y - 4x + x = 21

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Solving eq(3) and (4) simultaneously gives;

x = 5 and y = 3

Thus,

Original number = 53

Reversed number = 35

Difference between original and reversed number = 53 - 35 = 18

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2 years ago
A new coffee shop is opening and plans to sell cups of coffee at $4 each. It costs $3 to make each cup of coffee, and the shop n
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Step-by-step explanation:

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It's an arithmetic sequence:

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Which situation represents a proportional relationship?
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Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y=kx

The ratio between the two variables is a constant called constant of proportionality k

k=y/x

<u><em>Verify each case</em></u>

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Multiply in cross

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Multiply in cross

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The situation not represent a proportional relationship

7 0
3 years ago
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