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chubhunter [2.5K]
3 years ago
12

Which is the better buy? 2 liters of milk at 3.80 OR 1.5 liters of milk at 2.70? Justify the answer!

Mathematics
1 answer:
valentinak56 [21]3 years ago
7 0

Answer:

1.5 litres for 2.70

Step-by-step explanation:

If you'e buying the 2l one they are gonna charge you 1.20 more just for 0.5l, and 0.5l should actually cost 0.95, so they are practically ripping you off if you buy the 2l

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Find the greatest number that will divide 63, 45 and 69 so as to leave the same remainder.
jeka57 [31]

Answer:

6

Step-by-step explanation:

Let n be unknown divisor and a be the same remainder, then

63=q_1\cdot n+a\\ \\45=q_2\cdot n+a\\ \\69=q_3\cdot n+a

Subtract a from all equalities:

63-a=q_1\cdot n\\ \\45-a=q_2\cdot n\\ \\69-a=q_3\cdot n

Subtract them:

63-45=(q_1-q_2)n\Rightarrow 18=(q_1-q_2)n\\ \\69-63=(q_3-q_1)n\Rightarrow 6=(q_3-q_1)n\\ \\69-45=(q_3-q_2)n\Rightarrow 24=(q_3-q_2)n

The greatest number is 6. When you divide numbers 63, 45, 69 by 6, you'll get remainders 3, 3, 3, respectively.

7 0
3 years ago
Wayne invested $3000 per year compounded differently. How much will it be worth after 3years
Rina8888 [55]

Answer: wouldn’t it be $9,000? Or $12,000?

Step-by-step explanation:

5 0
3 years ago
What statement is true?
expeople1 [14]
(A) because a right angle is 90 degrees and has a equal eqivalent to get to 100
6 0
3 years ago
Read 2 more answers
Calculate Percent increase from 4.9 to 5.6
sasho [114]

Percent increase is calculated by

  difference                     0.7

   ---------------         =        -----  = 0.7/4.6  = 0.1521 or 15.21% increase

orginlal number              4.9

6 0
3 years ago
Given the following information, Event A includes outcomes 2, 4, 6 and Event B includes outcomes 1, 3, 5. Based on the informati
Arada [10]

Answer:

A. Mutually exclusive

Step-by-step explanation:

We are given that

Event A={2,4,6}

Event B={1,3,5}

Event A and B=A∩B={2,4,6}∩{1,3,5}={}

As events A and B have no outcome in common, so it means that event A and B are mutually exclusive events.

We can say that event A and event B are not non-mutually exclusive.

Simple events are those which have only one outcome like {1} or {2} etc.

Thus, we conclude that event A and event B are mutually exclusive events.

6 0
3 years ago
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