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3 years ago

How do I mark brainliest

Mathematics

2 answers:

lapo4ka [179]3 years ago

6 0

Answer:

bascially i think when two people have answered ur question after some time an icon thats a crown will show up---u click on it and thats how ya mark an answer as brainliest

Step-by-step explanation:

mooo

andrew11 [14]3 years ago

4 0

Answer:

There is a yellow crown icon that is at the bottom of the answer that you press to mark someone brainliest. You can only do it if there are 2 answers or one answer was there for a long time though.

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3 years ago

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Len [333]

Answer:

The travel size costs 6 % as much as the regular size. Thus the regular size would be more economical and thus a better buy

Step-by-step explanation:

step 1

Find out the unit rate of a regular tube of toothpaste

we know that

To find out the unit rate, divide the total cost by the total weight

$\frac{2.50}{3.2}=\$0.78\ per\ ounce$

step 2

Find out the unit rate of a travel size tube of toothpaste

we know that

To find out the unit rate, divide the total cost by the total weight

$\frac{1.00}{1.2}=\$0.83\ per\ ounce$

step 3

Find out the percent of increase

we have that

The unit rate $\$0.83\ per\ ounce$ represent the 100%

so by proportion

Find out what percentage represent the difference ($0.83-$0.78=$0.05 per ounce)

$\frac{0.83}{100\%}=\frac{0.05}{x}\\\\x=100(0.05)/0.83\\\\x=6\%$

therefore

The travel size costs 6 % as much as the regular size. Thus the regular size would be more economical and thus a better buy

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