Answer:
$25
Step-by-step explanation:
5% of 500 = 0.05 × 500 = 25
A number is divisible by 18 if it is an even number AND the sum of its digits is divisible by 9. For example, 492,480 is divisible by 18 because it is an even number and the sum of its digits is 4 + 9 + 2 + 4 + 8 + 0 = 27 is divisible by 9.
The complete question describes the use of word problems to represent inequalities. The $21 means that there is a limit to the number of stops she can take using the train.
The inequality that represents this scenario is:
From the complete question, we have the following parameters:
Initial Fee = $5
Rate per stop = $2.75
Amount = $21
The inequality that represents the scenario is as follows:
Initial Fee + Rate * Number of stops <= Amount
We use <= because the total charges must not exceed the amount.
Let the number of stops be x.
The above formula becomes
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5*15.75=78.75
128-2=126
126-78.75=47.25
47.25/7=6.75
The length of each piece of the seven pieces would be 6.75 inches.