nafisahlakes nafisahlakes

03-04-2017
Mathematics

contestada

The number of video stores in a region recently decreased from 128 to 77. Find the percent decrease.

Respuesta :

xclusiveprxncess xclusiveprxncess

03-04-2017

The percent decrease of this question is 39.8%

Answer Link

VenusRetrograde VenusRetrograde

03-04-2017

128 100%
_____ = _____
77 x%

Cross multiply
128x=7700
divide both sides by 128
x=60.15625%

100%-60.15625%=39.84375% decrease
round to the nearest whole number....
40% decrease

Answer=40% decrease

Answer Link

Otras preguntas

What is the pH of a solution that has a hydronium ion concentration 100 times greater than a solution with a pH of 4? (1) 5 (3) 3 (2) 2 (4) 6

How did the presence of north-to-south flowing rivers in the U.S. affect its development?

what two numbers multiply to get 36 but add together to get -10

Which substance can be decomposed by chemical means? (1) ammonia (3) phosphorus (2) oxygen (4) silicon

what is the wavelength of violet light that has a frequency of 7.5x10^14

A is a constant. Find A such that the equation 2x + 1 = 2A + 3(x + A) has a solution at x = 2.

When compared with the energy of an electron in the first shell of a carbon atom, the energy of an electron in the second shell of a carbon atom is (1) less(2)

The figure shown is to be translated 5 units to the left and 2 units down. Which statement is true for the translated figure? A. It is smaller than the orig

Why do you think the line between the powers of the Federal Government and those of state governments was often not clearly drawn?

In 1933, COngress repealed Prohibition with the A. Eighteenth AMendment B. Nineteenth Amendment C. Twentieth Amendment D. Twenty-first Amendment