Jdrb3127 Jdrb3127
  • 25-05-2015
  • Mathematics
contestada

what is 70% of blank = 28

Respuesta :

wilsonjkm
wilsonjkm wilsonjkm
  • 25-05-2015
divide 28 by .7 and you have your answer...40.. simple algebra just get x(blank) by itself
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 25-05-2015
percent means parts out of 100
70%=70/100=7/10
7/10 of x=28
'of' means multiply
7/10 x=28
multiply both sides by 10/7 to get rid of fraciton
x=40


the number is 40
Answer Link

Otras preguntas

What’s the answer ??????
What is the Formula for sodium chlorate
What color is infrared radiation? A yellow B invisible C Violet D red
How well did president andrew jackson promote democracy?
wjat is the solution ro the equation x^2= -25
7 pt 1 c + 4 pt 1 c A. 11 pt B. 12 pt C. 13 pt 7 c 3 fl oz – 3 c 4 fl oz A. 4 c 1 fl oz B. 3 c 7 fl oz C. 3 c 1 fl oz 4 lb 4 oz – 2 lb 7 oz A. 1 lb 13 oz
was FDR’s plan to increase government spending to restart the US economy Appeasement The New Deal The Fair Shake "A chicken in every pot"
A student performed the composition rx Ro 90 on figure A. Evaluate the students completion of the composition. A. The student performed the composition correctl
What aspects of the genome can and cannot be determined through karyotyping?
Anoche Carlos y Erica que estudiar mucho