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Elisha recorded the temperature for 5 days. When he added thr 5 temperatures together he got a sum of -7.4 c.If he recorded these numbers: -8.1 c , -7.4 c, 5.5 c, 6.2 c but was missing 1 record, what was the missing temperature?

A. -8.1 c
B. -3.6 c
C. -1.9 c
D. 2.3 c


Sagot :

Answer:

B. -3.6 c

Step-by-step explanation:

ANSWER:
B. -3.6 c

WORK:
7.4 = (-8.1) + (-7.4) + (5.5) + (6.2) + ?

? = -7.4 - [(-8.1) + (-7.4) + (5.5) + (6.2)]
? = -7.4 - (-3.8)
? = -7.4 + 3.8
? = -3.6