16 less than a number equals -19. what is the number?

Mathematics

2 answers:

anzhelika [568]2 years ago

7 0

We’ll use x to represent the mystery number.

“Sixteen less than” means subtraction, so we have 16 -

“Less than a number” simply means 16 - x

“Equals - 19” sets 16 - x equal to -19. In other words, 16 - x = -19

To solve, we subtract 16 to get x alone:

-x = -35

Divide the entire equation by -1 to make x positive:

-1(-x = -35) leaves us with x = 35

Sav [38]2 years ago

4 0

The number is -3 because -3 minus 16 equals -19.

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7 0

2 years ago

Can someone please explain to me why and how this equates to 7.4%??????

Mumz [18]

so, you're correct, it is the Food industry, and it went down from 2.7 to 2.5, well, so it really went down 2.7 - 2.5 or 0.2.

well, if we take 2.7 to be the 100% from that row, what is 0.2 off of it in percentage format?

$\bf \begin{array}{ccll} amount&\%\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 2.7&100\\ 0.2&x \end{array}\implies \cfrac{2.7}{0.2}=\cfrac{100}{x}\implies x=\cfrac{0.2\cdot 100}{2.7}\implies x\approx\stackrel{\%}{7.4}$