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maw [93]
2 years ago
11

Lizzy has 30 coins that total $4.80. All of her coins

Mathematics
1 answer:
puteri [66]2 years ago
6 0

Answer:

2) D+Q=30

0.10D+0.25Q=4.80

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Show your working please.​
iren2701 [21]

Offer B is the best value for money because each kg cost is £0.61 and in offer 'A' each kg cost is £0.7.

<h3>What is a fraction?</h3>

Fraction number consists of two parts, one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.

We have:
2 bags for £35

2 bags means 50 kg (2×25)

Each kg cost = 35/50 = £0.7 per kg

3 bags for £92.50

3 bags means 150 kg

Each kg cost = 92.50/150 = £0.61 per kg

As we can see, offer B has a low cost per kg

Thus, offer B is the best value for money because each kg cost is £0.61 and in offer 'A' each kg cost is £0.7.

Learn more about the fraction here:

brainly.com/question/1301963

#SPJ1

6 0
2 years ago
Convert 0.5kg to ounces
Marysya12 [62]

Answer:

17.6369809748oz

Step-by-step explanation:

hope this helps

6 0
2 years ago
Read 2 more answers
The formula for the perimeter, P, of a rectangle is P = 2L + 2w, where L is the length and W is th width sovle the formula for t
vichka [17]

                                 P  =  2L + 2w

Subtract  2L
from each side:          P - 2L  =  2w

Divide each side
by  2 :                        (P - 2L) / 2  =  w

You could also write it as      (P/2  -  L)  =  w
Both answers are the same.

4 0
3 years ago
Cuanto es (8÷9) 6×19 ?​
ioda
First do 8 divided by 9 = 0.88 x 6 x 19 start from the left and work to the right 0.88 x 6 = 5.33 x 19 = 101.3
7 0
2 years ago
What happens to the mean of the data set {2, 4, 5, 6, 8, 2, 5, 6} if the number 7 is added to the data set?
konstantin123 [22]

Answer:

It increases

Step-by-step explanation:

The mean of the given data set of 8 values is 4.75 (\frac{2+4+5+6+8+2+5+6}{8})

Adding 7 into the data set also increase the number of data points to 9, so the mean becomes:\frac{2+4+5+6+8+2+5+6+7}{9}, which is equal to 5

Hope this helps

7 0
2 years ago
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