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77julia77 [94]
3 years ago
5

The "off-peak" weekly average cost of hiring a caravan in Wales is 520. In July the average cost increases to 800. calculate the

percentage increase in cost. Give your answer to 2 significant figures.
Mathematics
2 answers:
Artemon [7]3 years ago
8 0
For this case you can solve the problem by applying a simple rule of three in which we have
 520 ---> 100%
 800 ---> x

 Clearing x we have
 x = (800/520) * 100 = 154%
 the percentage increase in cost was
 154-100 = 54%
 answer
 the percentage increase in cost was 54%
pochemuha3 years ago
5 0

Answer:

54%

Step-by-step explanation:

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Rachel's free throw average for basketball is 60%. She wants to predict how many times in the next 50 tries she will make a free
Gnoma [55]
If she shot her average she would make 30 out of 50 shots (AKA 60%) 
She could use the index cards to record each shot, recording 5 results on each one of the 10 cards


I understand this answer is really late for you but I hope you can still use it or someone else can use it if they have the same assignment

5 0
3 years ago
Read 2 more answers
With one method of a procedure called acceptance sampling, a sample of items is randomly selected without replacement and the en
GuDViN [60]

Answer:

P = 0.1447

Step-by-step explanation:

Given

n = 7000 -- total

d = 180 --- defective

r = 6 --- selected

Required

The probability of rejecting the batch

This means that at least one of the selected piece is defected.

So, we first calculate the probability that all the selected piece are accepted.

So, we have:

Pr = \frac{7000 - 180}{7000} * \frac{6999 - 180}{6999}* \frac{6998 - 180}{6998}* \frac{6997 - 180}{6997}* \frac{6996 - 180}{6996}* \frac{6995 - 180}{6995}

The denominator decreases by 1 because it is a probability without replacement; 180 is subtracted from the numerator to represent the number of non-defective CDs

So, we have:

Pr = \frac{6820}{7000} * \frac{6819}{6999}* \frac{6818}{6998}* \frac{6817}{6997}* \frac{6816}{6996}* \frac{6815}{6995}

Pr = 0.8553

Using the complement rule, the probability that the batch will be rejected is:

P = 1 - 0.8553

P = 0.1447

8 0
2 years ago
The taxi costs $2.25 for the first mile plus 15cents for each additional tenth of a mile. For a 5.2 mile trip, Eric payed $10 an
Verizon [17]
2.25 for the first mile. That leaves 4.2 miles.

4 * 0.1 = 0.4

0.15 * 4 = $6.00

0.15 * 2 = 0.3

$6.30 + $2.25 = $8.55

$10.00 - $8.55 = $1.45

The driver's tip was $1.45.
7 0
2 years ago
A person can pay $14 for a membership to the history museum and then go to the museum for just $5 per visit. What is the maximum
umka2103 [35]
Hi there!
First we subtract 44-14 leaving us with 30. 5x6 = 30
Therefore, a member can visit a history museum 6 times to equal a total cost of $44.
In a different situation:
If the person has already paid the $14, and that doesn’t count as a visit, then a person would have to visit a museum 8 times to get a total of $45. Considering this is a real-world problem.
I hope this helps and have a good day :) !
~Angel
8 0
3 years ago
56 to 56 as a Fraction in simplest form
Natasha_Volkova [10]

Answer:Find the GCD (or HCF) of numerator and denominator

GCD of 56 and 100 is 4

Divide both the numerator and denominator by the GCD

56 ÷ 4

100 ÷ 4

Reduced fraction:

14

25

Therefore, 56/100 simplified to lowest terms is 14/25

Step-by-step explanation:

hope this helps have a great day

3 0
2 years ago
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