Calculating the cost of 4.25 kilogram(kg) is £2.38, by multiplying it by 4.25 kg by 1 kg.
<h3>Cost</h3>
Costs are the expenses incurred in the manufacture, marketing, or preparation of a good or asset for regular use. In other terms, it's the cost incurred to produce a good, buy inventories, sell goods, or prepare equipment for use in a commercial activity.
Given,
2.5 kg cost £1.40 i.e,
2.5 kg = £1.40
For 1 kg= 
= £0.56
To find the cost of 4.25 kg:
Then,
1 kg = £0.56
4.25 kg = 0.56 x 4.25
= £2.38
£2.38 is the cost of 4.25kg after calculating it.
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So if the necklace was $27 then we need to do 67.50-27=40.50, so that mans each of the bracelets cost $20.25.
1. 4/5 - 2/15 = 2/3
2. 4/7 - 2/8 9/28
Answer:
The right answer is "1.818".
Step-by-step explanation:
The given values are:
a = 0.1


Now,
The test statistic will be:
⇒ 
On substituting the given values, we get
⇒ 
⇒ 
⇒ 