Negative nine times a number equals -117

2 answers:

7 0

-9(x) = -117

Solve for "a number" (x). Isolate it. Note the equal sign. What you do to one side, you do to the other. Divide -9 from both sides.

-9x/-9 = -117/-9

x = -117/-9

x = 13

13 is your answer

hope this helps

irakobra [83]2 years ago

6 0

Let's have X represent the number we're looking for.
Times means that we are multiplying, so let's make an equation.
-9x=-117
We know by looking at this equation that the number is positive since the number is multiplied by a negative and the answer is negative.
Let's get x by itself by dividing both sides by -9.
-117÷-9=13=x

So, the number is 13.

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Solution:

Given that, Desmond's Desserts made a batch of fresh scones with 2/3 of a pound of butter and 1/2 of a pound of sugar

To find: Amount of butter used than sugar

From given information,

$\text{Butter used} = \frac{2}{3} \text{ pound }$

$\text{Sugar used } = \frac{1}{2} \text{ pound }$

To find how much butter is used than sugar, find the difference between them

$Difference = Butter\ used - Sugar\ used$

$Difference = \frac{2}{3} - \frac{1}{2}\\\\Difference = \frac{2 \times 2-1 \times 3}{3 \times 2}\\\\Difference =\frac{4-3}{6}\\\\Difference =\frac{1}{6} = 0.167\\\\$