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2 years ago

A bicycle cost $ 129.50. You pay $7.77 in sales tax. What is the tax rate?

Mathematics

1 answer:

viva [34]2 years ago

6 0

7.77/129.5 = 0.06
Therefore the tax rate is 6%

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Solve the equation 3(x+4)=2x+4x-6 for x.

slavikrds [6]

Answer:

x=6

Step-by-step explanation:

Let us expand the left side:

3x+12 = 2x+ 4x -6

Let us then simplify the right side:

3x+12=6x-6

We can now put the same variables on one side to isolate x:

12+6=6x-3x

18=3x

x=6

I hope this helped! :)

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2 years ago

Macy’s sells 4 TVs for $680. How much would 7 TVs cost?

antiseptic1488 [7]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{1190 \: dollars}}}}}$

Step-by-step explanation:

Cost of 4 TVs = $ 680

Finding the cost of 1 TV

$\sf{ \frac{680}{4} } = 170 \: dollars$

Finding the cost of 7 TVs

Since, the cost of 7 TVs is more than that of 1 TV. So, the cost of 1 TV is multiplied by 7

$\sf{i.e \: 170 \times 7 = 1190 \: dollars}$

Hope I helped!

Best regards! :D

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2 years ago

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A student solved this problem and said the answer is 12 pounds. Heather had 6 3/4 pounds of apples. She bought another 5 1/2 pou

Nataliya [291]

The answer is D because 6 3/4 in an improper fraction is 27/4. 5 1/2 in an improper fraction is 11/2. If you want to add 27/4 and 11/2, then you have to multiply both the numerator and denominator of 11/2. Now, 11/2 will be turned into 22/4. 27/4+22/4=49/4. Now, you have to turn 2 1/4 into an improper fraction to subtract. 2 1/4 will be turned into 9/4. 49/4 - 9/4=40/4. 40/4 is simplified to 10. So the answer is, D.

Hope that helped :)

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2 years ago

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A health food store was charging $5.40 for a small salad but raised the price 8% the new price after the increase is $5.83 enter

joja [24]

Answer:

New price= Increament + old price

Step-by-step explanation:

Given data

Old price = $5.40

Percent increase= 8%

New price= $5.83