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Find SR A) 4 B) 5 C) 7 D) 9

Find SR A) 4 B) 5 C) 7 D) 9
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1 vote
Find SR
A) 4
B) 5
C) 7
D) 9

Find SR A) 4 B) 5 C) 7 D) 9-example-1
User Sleeyuen
by
7.4k points

1 Answer

3 votes

9514 1404 393

Answer:

C) 7

Explanation:

We have ...

TS +SR = 19

SR +RQ = 13

Adding these two equations together, we have ...

TS +2·SR +RQ = 19 +13 = 32

We also have ...

TS +SR +RQ = 25

Subtracting this from the equation above, we have ...

(TS +2·SR +RQ) -(TS +SR +RQ) = 32 -25

SR = 7

User ICW
by
8.1k points
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