The sum of three consecutive even numbers is 90. What is the smallest of the three numbers ?

28

Step-by-step explanation:

Let the first even number be x

2nd even number = x + 2

3rd even number = (x +2) + 2 = x + 4

Their sum = 90

X + x + 2 + x + 4 = 90

Collect like terms

3x + 6 = 90

3x = 90-6

3x = 84

Divide both sides by 3

3x/3 = 84/3

X =28

Therefore the smallest even number is 28.

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the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b