jxjkook
jxjkook jxjkook
  • 03-06-2018
  • Mathematics
contestada

if 30% of a number is 15, what is the number

Respuesta :

Americ
Americ Americ
  • 03-06-2018
x= a number

30% * x= 15
convert % to decimal (30%÷100)

0.30x= 15
divide both sides by 0.30

x= 50


CHECK:
=50 * 30%
=50 * 0.30
=15


ANSWER: 15 is 30% of the number 50

Hops this helps! :)
Answer Link
iraqi iraqi
  • 03-06-2018
0.30x=15
Divide both sides by 0.30
X= 50
Answer Link

Otras preguntas

How do scientists use seismic waves to determine the interior structure of Earth?
Which of the following organisms can perform alcoholic fermentation? (1) yeast, (2) humans, (3) bacteria. a. 1 and 2 b. 1 and 3 c. 1 only d. 1, 2, and 3
Which of the following can be considered fossils? a. a 1 billion year-old rock. b. a 1 billion year-old piece of amber. c. a 1 billion year-old piece of amber w
Jim’s allowance is $1.20 per week. Stan’s is 25¢ per day. How long will they have to save, if they save both their allowances together, before they can get a m
“The genetic code is universal.” Explain this statement.
Jim’s allowance is $1.20 per week. Stan’s is 25¢ per day. How long will they have to save, if they save both their allowances together, before they can get a m
Find all powers of 4 in range 4 through 1,000
Explain how a species can evolve through natural selection.
Find all powers of 4 in range 4 through 1,000
Find the value of x.  Round to nearest hundredth if necessary.