How did the temperature change if: At first it increased by 25% and then decreased by 40%
2 answers:
Answer:
24.6 % decrease
Step-by-step explanation:
Let x be the original temperature
Increase by 25%
x + .25x
1.25x
Decrease by 40%
The amount decreased is
(1.25x) *.40
.496x
Subtract that from 1.25x
1.25x - .496x
.754x
We need to find the percent decrease
1 - .754 = .246
24.6 % decrease
Answer:
Temperature decreased by 25%
Step-by-step explanation:
Let initial temperature be t
Step 1
<u>Increase by 25%:</u>
- t + 25% = t + 0.25 t = 1.25 t
Step 2
<u>Decrease by 40%:</u>
- 1.25 t - 40% = 1.25 t - 0.4 * 1.25 t= 1.25 t - 0.5 t = 0.75 t
Temperature changed from t to 0.75 t
<u>The difference in %:</u>
- 0.75 t - t = -0.25 t = 25% decrease
<u>Temperature decreased </u>by 25%
You might be interested in
Answer: -3
Step-by-step explanation:
Answer:
9x+1
Step-by-step explanation:
combine 2x+7x then add the 1
Your answer would be C-64.
Hope this helps.
5,500 millimeters= 0.0055 liters
I would go with D, it looks like it is the most linear out of the rest, Hope it helps:)