boofpack123456789 boofpack123456789

26-02-2019
Mathematics

contestada

Explain why a change from 20 to 40 is a 100% increase, but a change from 40 to 20 is a 50% decrease.

Respuesta :

sofiaosment sofiaosment

27-02-2019

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%

Answer Link

Otras preguntas

Which type of satire criticizes society in a harsh and sarcastic way? A. Swiftian B. Juvenalian C. Horatian D. Voltairian

In one season, a baseball team played 120 games and lost 25% of them. how many games did the team win?

Is 69 a prime or composite number

A characteristic of the Minoan civilization was its __________. reliance on foreign conquest to accumulate wealth development of a network of trade throughout

Por que decide el joven salir con la mujer que le escribio la carta

ff(xx)=5xx3xx2-6xx+3 has no asymptotes why

Due to nafta, it is possible that a weak economy in the united states will have _____ effect on the economy in mexico.

What is negative 6 divided by 2?

If only a single member of a pair of chromosomes is present in a cell, it is a _____ condition and is most likely a _____ cell. diploid; reproductive haploid; r

Write the number seven hundred fifty -one with digits