Answer:
A quantity decreases from 35 to 30 % decrease
[tex]\% decrease= \frac{|30-35|}{35}*100 =14.29\%[/tex]
A quantity increases from 30 to 35 % increase
[tex]\% increase= \frac{|35-30|}{30}*100 =16.67\%[/tex]
The price of a Latte dropped from $3.12 to $3 % decrease
[tex]\% decrease= \frac{|3-3.12|}{3.12}*100 =3.85\%[/tex]
The cost of Gasoline rose from $3 to $3.12 % increase
[tex]\% increase= \frac{|3.12-3|}{3}*100 =4\%[/tex]
Step-by-step explanation:
For this case we can use the following formula in order to calculate the % of increase or decrease:
[tex] \% = \frac{|Final -Initial|}{Initial}*100[/tex]
Where Final represent the final value and Initial the initial value.
A quantity decreases from 35 to 30 % decrease
[tex]\% decrease= \frac{|30-35|}{35}*100 =14.29\%[/tex]
A quantity increases from 30 to 35 % increase
[tex]\% increase= \frac{|35-30|}{30}*100 =16.67\%[/tex]
The price of a Latte dropped from $3.12 to $3 % decrease
[tex]\% decrease= \frac{|3-3.12|}{3.12}*100 =3.85\%[/tex]
The cost of Gasoline rose from $3 to $3.12 % increase
[tex]\% increase= \frac{|3.12-3|}{3}*100 =4\%[/tex]
