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AVprozaik [17]
2 years ago
13

Seven bottles of soft drink were put out onto the

Mathematics
1 answer:
ddd [48]2 years ago
6 0

Answer:

I think the answer is 1 7/9

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A regular tube of toothpaste costs $2.50 for 3.2 ounces. A travel size tube costs $1.00 for 1.2 ounces. Compare the prices and w
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

<em>Find out the unit rate of a regular  tube of toothpaste</em>

we know that

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

so

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

step 2

<em>Find out the unit rate of a travel size tube of toothpaste</em>

we know that

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

so

\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

6 0
3 years ago
Solve the triangle.<br><br> B = 36°, a = 38, c = 18
vovikov84 [41]
Using cosine law.

b= sqrt(38^2 + 18^2 - 2(38)(18) Cos 36)
using calculator solve.
b = sqrt (1444 + 324 - 1106.75)
b = 25.75
7 0
3 years ago
Read 2 more answers
Julia has 8 red barrettes 2/4 of her barrettes are red how many barrettes does Julia have
kipiarov [429]

Answer:16

Step-by-step explanation:

2/4 = 1/2

8+8=16

4 0
2 years ago
-4+5x=11 what is the answer to this two step equation?
Lena [83]

Answer:

x = 3

Step-by-step explanation:

1. 5x = 11 +4 (when the negative is moved, it turns positive)

2. 5x = 15

3. divide 15 by 5 and then you get your answer

7 0
3 years ago
What is the perimeter of this triangle? 50 yd. 300 yd?​
maks197457 [2]
The perimeter is 7500 yd because u multiple 50 by 300 to get 15,000 then divide that by 2 to get 7,500
5 0
3 years ago
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