Answer:
The models have tiles corresponding to x+8 and x+1
Step-by-step explanation:
We want to find the model that represents factors of

We split the middle term to get:

We factor by grouping to obtain:

We collect common factors again to get:

The models have tiles corresponding to x+8 and x+1
X = 6
28 = -2 - 5x
28 + 2 = 5x
30 = 5x
30/5 = 5x/5 (we divide by five on both side because we want x to be by itself)
6 = x
:)
Answer:
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Step-by-step explanation:
The given ratio is:

To find the unit cost per ounce, we can use proportions as follows:

Now, solve for x:

The cost per ounce (unit cost) is then $0.12/oz
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