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AfilCa [17]
1 year ago
7

Melinda has a goal of donating at least $300 to charity this year. Her mother and father each gave her $25 to help and she is se

lling ribbons for $5 each. What is the least number of ribbons Melinda must sell to reach her goal?​
Mathematics
1 answer:
yulyashka [42]1 year ago
8 0

Answer:

50

Step-by-step explanation:

25x2=50

300-50=250

250/5=50

50 ribbons needed :) hope this helped

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How does adding a solute ( use only one - salt or sugar) effect the time of water to change from a liquid to a solid?
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Answer:

adding salt makes the water freeze slower and evaporate slower too.

Step-by-step explanation:

While pure water freezes at 0°C (32°F), salt water needs to be colder before it freezes and so it usually takes longer to freeze. The more salt in the water, the lower the freezing point.

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3 years ago
I don't understand rational and irrational numbers
PSYCHO15rus [73]

A rational number is a number which can be expressed as a fraction whose numerator and denominator are both integers and whose denominator is not equal to zero. Rational numbers include all integers, fractions, mixed numbers, and some decimal numbers.

 

Note : All terminating and repeating decimal numbers are rational numbers because those numbers can be expressed as a fraction. On the other hand, a non repeating number and non terminating decimal, like square root of 2, is an irrational number.  


\dfrac{7}{16} \ as \ a \ decimal = 0.4375


Set \ up \ the \ long \ division. 


Calculate \ 70 \div 16, \ which \ is \ 4  \ with \ a \ remainder \ of \ 6.




Bring \ down \ 0, so \ that \ 60 \ is \ large \ enough \ to \ be  \ divided \ by \ 16.




Calculate \ 60 \div 16, which \ is \ 3 \ with \ a  \ remainder \ of \ 12.




Bring \ down \ 0, so \ that \ 120 \ is \ large \ enough \ to \ be \ divided \ by \ 16.




Calculate \ 120 \div 16, which \ is \ 7 \ with \ a \ remainder \ of \ 8.




Bring \ down \ 0, so \ that \ 80 \ is \ large \ enough \ to \ be \ divided \ by \ 16.



Calculate \ 80 \div 16, which \ is \ 5. 

<span>
</span>

Decimal = 0.4375&#10;

4 0
2 years ago
Max and Sharifa are both saving to buy the same model of DVD player, which costs $99, including tax. Max already has $31.00 and
gogolik [260]

Answer:

Sharifa can pay for the DVD player first.

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<u>Max:</u>

99 - 31 = $68 remaining

68 / 8.5 = <em>8 weeks</em>

<u>Sharifa:</u>

99 - 25.5 = $73.50 remaining

73.5 / 10.5 = <em>7 weeks</em>

7 0
3 years ago
Eight classrooms need to be painted. Teachers can choose between yellow or blue. How many possible outcomes are there?
rusak2 [61]
The answer is 16 outcomes, there are two possible outcomes per classroom, and there are 8 classrooms
7 0
2 years ago
Read 2 more answers
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