(a) $0.50 or 18.18%On Sept 1, price of gas was $2.75/gallon, $3.25/gallon on Oct 1 and back down to $2.75/gallon on Nov 1.
Express (a) and (b) answers in both dollar and percentage values. (c) in percentage points and (d) in percent.
Between Sept 1 and Oct 1, price increased by _(a)__ .
Between Oct 1 and Nov 1, price decreased by __(b)__ .
On May 16 2000, the US federal reserve increased its target for the federal funds from 6.00% to 6.50%. This change of _(c)_ means that the Fed raised its target by approx _(d)_.
(b) $0.50 or 15.38%
(c) 0.25 percentage points
I'm helping my sister with her homework and I'm not sure if she expressed the percentages properly.