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1 vote
If PQ = 8, QR = 7x, and PR
9x, what is PR?

User Xdissent
by
6.4k points

1 Answer

5 votes

Answer:

36

Explanation:

PQ + QR = PR

substituting the values we have:

8 + 7x = 9x

8 + 7x - 7x = 9x - 7x

8 = 2x

8/2 = 2x/2

4 = x

Now, for the value of PR:

9 x 4

36

User Holger Sindbaek
by
7.6k points