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antoinewill05
14.12.2020 •
Mathematics
HELP ILL GIVE BRAINLIEST AND LOTS AND LOTS POINTS
Find the percent decrease. Where necessary round to the nearest tenth of a percent
3. from 64 to 24
4. from 6.5 to 4.8
5. The average cost of a gallon of gasoline was $1.29 in 1997 and $1.12 in 1998. Find the percent of decrease.
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Ответ:
9514 1404 393
3. 62.5% decrease
4. 26.2% decrease
5. 13.2% decrease
Explanation:
A percentage change is calculated from ...
percent change = ((new value) - (old value))/(old value) × 100%
When it is negative, the change is a decrease.
__
3. (24 -64)/64 × 100% = -40/64 × 100% = -62.5%, a 62.5% decrease
__
4. (4.8 -6.5)/6.5 × 100% = -1.7/6.5 × 100% ≈ -26.2%, a 26.2% decrease
__
5. (1.12 -1.29)/1.29 × 100% = -0.17/1.29 × 100% ≈ -13.2%, a 13.2% decrease
Ответ:
-a^5x^3
Step-by-step explanation:
hope this helps! :)