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Ksju [112]
3 years ago
14

The cosst of 4 1 /4 kg of sugar is £68 .find the coast o 1 kg​

Mathematics
2 answers:
ankoles [38]3 years ago
8 0

Step-by-step explanation:

<em>Hi</em><em>,</em><em> </em><em>there</em><em>!</em><em>!</em>

<em>Here</em><em> </em><em>according</em><em> </em><em>to the</em><em> </em><em>question</em><em> </em><em>we</em><em> </em><em>must</em><em> </em><em>find</em><em> </em><em>the</em><em> </em><em>cost</em><em> </em><em>of</em><em> </em><em>1</em><em> </em><em>kg</em><em> </em><em>sugar</em><em>.</em>

<em>Given</em><em> </em><em>that</em><em>:</em>

<em>1</em><em>7</em><em>/</em><em>4</em><em> </em><em>kg</em><em> </em><em>of</em><em> </em><em>sugar</em><em> </em><em>cost</em><em> </em><em>£</em><em>6</em><em>8</em><em>.</em>

<em>then</em><em> </em><em>1</em><em> </em><em>kg</em><em> </em><em>sugar</em><em> </em><em>costs</em><em>,</em>

<em>=</em><em>\frac{68}{ \frac{17}{4} }</em>

<em>after</em><em> </em><em>reciprocal</em><em> </em><em>we</em><em> </em><em>get</em><em>,</em>

<em>=</em><em> </em><em>£</em><em>6</em><em>8</em><em>×</em><em>4</em><em>/</em><em>1</em><em>7</em>

<em>=</em><em>£</em><em>1</em><em>6</em>

<em>The</em><em> </em><em>answer</em><em> </em><em>would </em><em>come</em><em> </em><em>£</em><em>1</em><em>6</em><em>.</em>

<em>Therefore</em><em>, </em><em> </em><em>The</em><em> </em><em>cost</em><em> </em><em>of</em><em> </em><em>1</em><em> </em><em>kg</em><em> </em><em>sugar</em><em> </em><em>is</em><em> </em><em>£</em><em>.</em><em> </em><em>1</em><em>6</em><em>.</em>

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

Leviafan [203]3 years ago
4 0

Answer:

£ 16

Step-by-step explanation:

Cost of 4 1/4 kg sugar = £ 68

4 1/4 = 17/4

Cost of 17/4 kg of sugar = 68

Cost of 1 kg of sugar =68 ÷ (17/4)

                                  = 68* \frac{4}{17}\\\\=4*4\\

                                  = £ 16​

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Fred's sporting goods is providing a $5 discount on a bicycle that costs $80. What is the percentage of the discount?
Sonja [21]

Answer:

6.25%

Step-by-step explanation:

discount/ normal price

5/80

And we are trying to find out the percentage, so

x/100

Set the 2 equations equal to each other

5/80=x/100

Cross multiply

80x=500

Divide by 80 on both sides

x= 6.25

8 0
3 years ago
Is 1/2 greater than less than or equal to 5/8
Arlecino [84]
1/2=4/8 4/8 less than 5/8 Good Luck!
8 0
3 years ago
Help please!! <br> A. 0.6 <br> B. 0.4 <br> C. 0.2<br> D. 0.8
Masteriza [31]

Answer:

It's B. 0.4

Step-by-step explanation:

the first probability is 0.6 and 0.6+x=1 so x is 0.4

6 0
3 years ago
Help with this question, please!
Katyanochek1 [597]

The diet will include <u>123.75 </u>daily grams of protein

<h3>Further explanation</h3>

One variable linear equation is an equation that has a variable and the exponent number is one.  

Can be stated in the form:  

\large{\boxed{\bold{ax=b}}

or  

ax + b = c, where a, b, and c are constants, x is a variable  

We complete the task :

A nutritionist planning a diet for a football player wants him to consume 3,500 Calories and 725 grams of food daily. Calories from fat and protein will be 45% of the total Calories. There are 4, 4, and 9 Calories per gram for protein, carbohydrates, and fat, respectively. How many daily grams of protein will the diet include?

  • 243.75
  • 481.25
  • 123.75
  • 120

Calories from fat and protein will be 45% (0.45) of the total Calories

Calories from fat and protein = 0.45 x 3500 = 1575 calories

Calories from carbohydrates = 3500 - 1575 = 1925 calories

So mass for carbohydrates = 1925 : 4(4 calories/gram) = 481.25 grams

Then mass for fat and protein = 725 - 481.25 = 243.75 grams

We can make equation for fat and protein

1. 4 calories. mass of protein(p) + 9 calories . mass of fat(f) = 1575 calories

2. mass of protein(p) + mass of fat(f) = 243.75

we can simplify :

1. 4p+9f = 1575

2. p + f = 243.75 ⇒ f = 243.75 - p

we substitute equation 2 into equation 1 :

4p + 9(243.75-p) = 1575

4p + 2193.75-9p=1575

-5p = -618.75

p = 123.75

<h3>Learn more</h3>

linear equation

brainly.com/question/99841

Keywords : one variable, linear equation ,diet, nutritionist,calories, fat, proteins, carbohydrates, daily grams

#LearnWithBrainly

6 0
3 years ago
Select the postulate or theorem that you can use to conclude that the triangles are similar.
insens350 [35]

Answer: SAS similarity postulate

Step-by-step explanation:

According to SAS postulate of similarity, two triangles are called similar if two sides in one triangle are in the same proportion to the corresponding sides in the other, and the included angle are congruent.

In triangles, QNR and MNP,

\frac{QN}{MN} = \frac{QM+MN}{MN} = \frac{10+8}{8} = \frac{18}{8} = \frac{9}{4}

\frac{NR}{NP} = \frac{NP+NR}{NP} = \frac{10+8}{8} = \frac{18}{8} = \frac{9}{4}

\implies \frac{QN}{MN} = \frac{NR}{NP}

Also,

\angle QNR\cong \angle MNP  (Reflexive)

Thus, By SAS similarity postulate,

\triangle QNR\sim\triangle MNP

⇒ Option first is correct.

8 0
3 years ago
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