Yes it is correct, because 10 percent is 110/100, which equals to 1.1.
Hope this helps.
Answer:
5 x 7/10 is equal to 3.5, therefore it lies between the whole numbers of 3 and 4.
In this question, it is given that two of the dimensions are 3 cm and 9 cm . Let the other dimension be x cm .
And the surface area of the rectangular prism is given. Now we use the formula of surface area of prism, which is



Subtracting 27 to both sides,

Dividing both sides by 12

So the length of the remaining dimension is 6 cm .
1) we have to calculate the increase of the cost of the jacket.
Increase of the cost of the jacket=new price - previous price
increase of the cost of the jacket=$87.75 - $75.00=$12.75
2)Now, we calculate the percentaje incresae of the costo of the jacket by the rule of three.
$75=100%
$75------------------100%
$12.75------------- x
x=($12.75 * 100%) / $75=17%
Answer: the percentage increase of the cost of the jacket is 17%
The reciprocal of -1/3 is -3/1
and the reciprocal of 4/1 is 1/4