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2 years ago

The shop declare a discount of 20% and later a discount of 15% after

1 answer:

8 0

In order to calculate the equivalent discount, consider the principle number is 100,
Then, 100 - 100 * 0.20 = 100 - 20 = 80
Now, 80 - 80 * 0.15 = 80 - 12 = 68

So, Total discount would be: 100 - 68 = 32%

Hope this helps!

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2 years ago

Which of the following give the highest future value is 6000000 is invested at 6% for 3 years

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Answer:

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Step-by-step explanation:

Given data

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Time= 3 years

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2 years ago

What is the answer and why is it that answer

Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

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5 0

3 years ago

Keiko, Chang, and Abdul sent a total of 109 text messages over their cell phones during the weekend. Keiko sent 7 fewer messages

lbvjy [14]

9514 1404 393

Answer:

Keiko: 17
Chang: 24
Abdul: 68

Step-by-step explanation:

Let c represent the number of messages sent by Chang. Then Keiko sent (c-7) messages, and Abdul sent 4(c-7) messages. The total number sent was ...

c + (c -7) +4(c -7) = 109

6c -35 = 109 . . . . . . . . . . simplify

6c = 144 . . . . . . . . . . . add 35

c = 24 . . . . . . . . . . . divide by 6

c-7 = 17

4(c-7) = 68

Keiko sent 17, Chang sent 24, and Abdul sent 68 text messages.

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3 years ago