Explain why a change from 20 to 40 is a 100% increase, but a change from 40 to 20 is a 50% decrease.
1 answer:
Answer:
Because 20 has to be doubled to become 40. While 40 is twice as much as 20 so you just divide 40 by 20 to get 50%.
Explanation:
20 x 20 = 40 = 100%
40 / 20 = 50%
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the discount takes off $6.25, the sale price is $18.75
(1/2)(1/2)(1/2)(1/2)= 1/16 or 6.25%
Answer:
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Step-by-step explanation:
Answer:
y-2 = 3/10(x+3)
Step-by-step explanation:
3y = 10
y = 10/3
looking for perpendicular so slope = 3/10
using the given point
y-2 = 3/10(x+3)
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Step-by-step explanation:
