3 years ago

How did the temperature change if: at first it decreased by 10 % and then decreased by 30% ?

Mathematics

2 answers:

MAVERICK [17]3 years ago

8 0

Answer:

Decreased by 40%!

Step-by-step explanation:

At first it goes down by 10%, then 30%, so you just add them together and get decreased by 40%.

NARA [144]3 years ago

4 0

Answer: -37%

Step by Step Sol: 100=x

10% of 100 equals 10

100-10 = 90

30% of 90 equals 27

90-27 = 63

63-100 equals -37

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