A product had its price reduced by 18%. Its new price is
£4.92. What is its original price?

£5.10

Step-by-step explanation:

x -18% = 4.92

x = 4.92+.18

x = 5.10

I think, if its wrong please be polite

Step-by-step explanation:

original is always 100 percent

100×£4.92divide by 82

£48

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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