Mathematics, 03.07.2019 08:00 cschuessler3

Jason went shopping. he bought a watch and a pair of trainers for a total price of £53.55. this price includes a 15% loyalty discount. before the discount, the trainers were priced at £38 work out the price of the watch before the discount

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If u r not interested in the explanation jump to the end ***

1. We assume, that the number 53.55 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 53.55 is 100%, so we can write it down as 53.55=100%.
4. We know, that x is 15% of the output value, so we can write it down as x=15%.
5. Now we have two simple equations:
1) 53.55=100%
2) x=15%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
53.55/x=100%/15%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 15% of 53.55

53.55/x=100/15
(53.55/x)*x=(100/15)*x - we multiply both sides of the equation by x
53.55=6.6666666666667*x - we divide both sides of the equation by (6.6666666666667) to get x
53.55/6.6666666666667=x
8.0325=x
x=8.0325

now we have:
15% of 53.55=8.0325.
the total price was 53.55+8.0325=61.5825 the price before the discount
61.5825 - 38 = 23.5825 ~ 23.58

Answer from: Xghoued2056

£25

Step-by-step explanation:

In this question, we are asked to calculate the amount that a discounted purchase cost before the discount was applied.

From the question, we were made to know that 53.55 included the discount. Now if 15% was the price of the discount, this means what she paid was 85% and this is equivalent to the value 53.55

since we do not know the total price before the discount, let’s call that x.

This means that;

85/100 * x = 53.55

85x = 53.55 * 100

85x = 5355

x = 5355/85

x = £63

Now we were made to know that the trainers were priced at £38 before the discount, the price of the watch before the discount is thus £63 - £38 = $25

Answer from: Quest

i would go with the first one

step-by-step explanation:

hope this

Answer from: Quest

step-by-step explanation:

hello and welcome!

so, when we see the words "proportional" along with a table, we need to know that we're looking numbers that divide by the same thing.

looking at this table, we simply have to do a trial and error, and divide to see which numbers have the same quotient. if you look at choice a & c, they both have equal quotients for three of the numbers, with one exception, so those can't be the answer. looking at b, there is no similarity, so that can't be it. then, we see d; if you divide all the numbers in the table, you'll see that they all divide by two, which is a proportional relationship, and our answer!

$4/2 = 2\\7/3.5=2\\8/4=2\\10/5=2$

also, always remember that the x will always be the number that goes into y, and somewhere behind this table, is a formula. for this specific table, the formula would be:

$y=\frac{x}{2}$

since our x-value is being divided by two to get the y-value. and if they were to ask for more numbers in the series, this is the formula you would use to find them.

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Jason went shopping. he bought a watch and a pair of trainers for a total price of £53.55. this pric...

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