jodiisbored9821 jodiisbored9821

08-09-2017
Mathematics

contestada

When a number is decreased by 10% of itself, the result is 72. what is the number?

Respuesta :

Аноним Аноним

14-09-2017

use proportion:-

a decrease by 10% means the resulting number is 90% of the original number, so:-

90% is equivalent to 72

So 100% = (100 * 72) / 90 = 80 Answer.

Answer Link

Otras preguntas

Indicate which of the following substances contain an atom that does or does not follow the octet rule. A. AlCl3 B. PCl3 C. PCl5 D. SiCl4

For a sequence an=3/n(n+1) what is the value of a 10

Why did William Bradford and the pilgrims leave England?A) They Wanted Milder Winters.B) They Were Angry With The King Of England.C) They Were Banished Because

Anthony purchased 6 fruit bars and 3 chocolate-nut bars for a camping trip. He spent $4.12 on the bars. Anthony wrote the following equation: 6x+3y=4.12 . What

If a function doesn’t return a value, the word _________ will appear as its return type.

Using a radar gun, you emit radar waves at a frequency of 6.2 GHz that bounce off of a moving tennis ball and recombine with the original waves. This produces a

The highest rate of absorption in the digestive tract takes place in which of the following? The large intestines The stomach The liver The small intestines

Without using a calculator, fill in the blanks with two consecutive integers to complete the following inequality. _____<√32<_____

Isabel is on a ride in an amusement park that Slidez the right or to the right and then it will rotate counterclockwise about its own center 60° every two secon

A person came to work at 8:30 AM, went out at 11:45 AM, had lunch, came in at 12:30 PM, and left work at 5:15 PM. The total number of hours worked by this perso