First, convert the 15% to an actual number that can be used in a calculation. For percents,this is always done by simply dividing the percent (in this case 15%) by 100%.So, the conversational term "15%" becomes 15% / 100% = 0.15 in terms of a real mathematical number.

Second, you need to find out what 15% of your $65.00 meal cost is.This is always done by multiplying 0.15 by $65.00, or

0.15 x $65.00=$9.75.

So, the amount of tip you are going to leave is $9.75.

This makes the total cost of your meal (to write on your charge slip or other payment)

$65.00 + $9.75 = $74.75.

5 0

3 years ago

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three times a number is three more than twice the number which equation can be used to find the value of X the unknown number

Lyrx [107]

Let the value of the number be represented as x.

Then, write out an equation;

3x=2x+3 <--- Solve for x now
3x-2x=3
x=3

Therefore the number is 3.

Hope I helped :)

7 0

3 years ago

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