Question

Calculate y in the formula y = 100 + 10x1 + 20x2 - 30x3 If x1 =
30, x2 = 20, x3 = 10.

Answer 1

800

Explanation:

Let's substitute the given values into the equation:

y = 100 + 10x1 + 20x2 - 30x3

Given:

x1 = 30

x2 = 20

x3 = 10

Substituting these values:

y = 100 + 10(30) + 20(20) - 30(10)

= 100 + 300 + 400 - 300

= 800

Therefore, when x1 = 30, x2 = 20, and x3 = 10, the value of y is 80

Answer 2

500

Explanation:

y = 100 + 10x1 + 20x2 - 30x3

Let x1 =30, x2 = 20, x3 = 10

y = 100 + 10(30) + 20(20) - 30(10)

= 100 + 300 + 400 - 300

= 500