For this case we define the following variable:
- <em>x: number of stamps
</em>
We now write the equation that models the problem:

From here, we clear the value of x.
We have then:

Answer:
The number of stamps he has is:

Answer:
5*p^2*q+10q = 5p^2*q + 10q
Step-by-step explanation:
5 * p squared * q + 10q = 5p^2*q+10q
Answer: B. (3,3)
Step-by-step explanation:
B is correct because the lines intersect at the one point, meaning there is only one solution, B.
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Answer:
w = 3
Step-by-step explanation:
Δ BDE and Δ BAC are similar, then the ratios of corresponding sides are equal, that is
=
, substitute values
=
( cross- multiply )
5w = 3(w + 2) ← distribute
5w = 3w + 6 ( subtract 3w from both sides )
2w = 6 ( divide both sides by 2 )
w = 3
Answer:
60 ounces
Step-by-step explanation:
there are 16 ounces in a pound plus the extra 4 ounces times 3 is 60 ounces in total