Question

One morning, the temperature was 10° below zero. By noon, the temperature rose 20° and then dropped 8° by evening. What was the evening temperature?

Answer 1

morning=10 degrees below zero=-10 degrees
noon=risen by 20 degrees=-10+20=10 degrees
evening=dropped by 8 degrees=10-8=2 degrees
answer=2 degrees

Answer 2

The temperature at evening is 2 degree

Solution:

Given that,

One morning, the temperature was 10° below zero

By noon, the temperature rose 20°

Then dropped 8° by evening

To find: Temperature at evening

$Temperature\ at\ evening = 20^{\circ} - 10^{\circ} - 8^{\circ} \\\\Temperature\ at\ evening = 2^{\circ}$

Thus the temperature at evening is 2 degree

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