mvkfimqgr9 mvkfimqgr9

04-06-2021
Mathematics

contestada

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

Find SR A 4 B 5 C 7 D 9 class=

Respuesta :

sqdancefan sqdancefan

05-06-2021

9514 1404 393

Answer:

C) 7

Step-by-step 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

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