Its B) The area of a rectangle with side lengths 1.3 and x.
Explanation:
Ang number with a variable next to it basically means you multiply it to that variable once you know the its true value.
So 1.3x basically means 1.3 • x
In choice B, we all know that the formula for area of rectangle is multiplying the two side lengths (length x width).
Where in this situatuon ine side length is 1.3 and the other is x.
Therefore, Situation B) can represent 1.3x
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The perimeter is equal to all four sides added up, so one expression is:
9 + 9x + 8 + 18x
This can be simplified by combining everything we can. The simplified expression is: 17 + 27x
10 cheese pizzas
use simple ratio, 3:2 (3 pepperoni for every 2 cheese)
to make the ratio bigger, we substitute the "3" pepperoni for "15" pepperoni. then take the new amount, 15/3 original, you get 5. then multiply the 2 original cheese pizzas by that 5, and you get 10 cheese pizza's.
hope that helps
The correct answer ic C)12
