Dont just give me the answer. I need to master the procedure:
-At the walter web bird store, pet sales fell by 20% in October. If sales fell by a further
25% in November what was the percent decrease in the number of pets sold in the two month period?
-At the walter web bird store, pet sales fell by 20% in October. If sales fell by a further
25% in November what was the percent decrease in the number of pets sold in the two month period?
-
20% = 0.2 → 1 - 0.2 = 0.8 of original
25% = 0.25 → 1 - 0.25 = 0.75 of original
1 - 0.8 * 0.75 = 0.4
40% decrease over the 2 month period.
25% = 0.25 → 1 - 0.25 = 0.75 of original
1 - 0.8 * 0.75 = 0.4
40% decrease over the 2 month period.