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Stella [2.4K]
3 years ago
8

Which is more money: 50% of the sum of $150 and $50 or 1.5 times

Mathematics
2 answers:
lidiya [134]3 years ago
4 0
50 is tens and 150 is hundreds
Lelechka [254]3 years ago
3 0

Answer:

50% of the sum of $150 and $50 is greater.

Step-by-step explanation:

We are asked to which of the given two quantities is greater.

Let us find 50% of the sum of $150 and $50 as:    

(\$150+\$50)\times \frac{50}{100}

(\$200)\times \frac{50}{100}

(\$2)\times50=\$100

Now, we will find 1.5 times  the difference between $50 and $150 as:

(\$50-\$150)\times 1.5

(-\$100)\times 1.5

-\$150

Therefore, 50% of the sum of $150 and $50 is greater than 1.5 times  the difference between $50 and $150.

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a survey indicated that 5 out of 8 doctors used brand X aspirin. If 4000 doctors were surveyed, how many used brand X?
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Answer:

2500 doctors

Step-by-step explanation:

4000/8= 500

500x5=2500

8 0
3 years ago
A keycode must contain 2 letters and 3 numbers. The letters may be any letter of the alphabet. The numbers should be any number
OverLord2011 [107]
The English alphabet contains 26 letters (a, b, c, ...y, z). 

The digits from 0 to 9 are a total of 10.


A keycode contains 2 letters, and 3 numbers, for example:

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So there are 26 possible choices for the first letter, which can combined with any of the 26 possible choices for the second letter, so there are a total of 

26*26=676 possible pairs of letters.


Similarly, the 10 possible choices for the first number, which can be combined with the 10 possible choices for the second number, and the 10 possible choices for the third number make a total of :

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Any of the 676 possible pairs of letters can be combined with any of the possible 1,000 triples of numbers. This makes a total of 

676*1,000=676,000 keycodes.


Answer: 676,000
8 0
3 years ago
Read 2 more answers
A deck contains these cards of the same size and shape.
alex41 [277]

Step-by-step explanation:

Total cards that deck contains= 5+4+2+1=12 ( as mentioned in question)

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Anvisha [2.4K]

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3 years ago
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