alicampos
alicampos alicampos
  • 19-02-2018
  • Mathematics
contestada

What’s the total of marbles in the box?

Whats the total of marbles in the box class=

Respuesta :

Аноним Аноним
  • 19-02-2018

140 marbels are in the box

Answer Link
roy21 roy21
  • 19-02-2018
Answer: 140
Step 1: make a proportion

15%/21= 100%/x

Step 2: cross multiply

0.15X=21

Step 3: solve for X

21/0.15=X= 140

Answer Link

Otras preguntas

what does 'don't judge a book by the cover' mean?
100 rational numbers can be inserted  between 2 and 7? give your views on this statement
Consider the following system of equations. Y=3x-7 Y-3x=5 What can you conclude about the system of equations? The system if equations is inconsistent. The syst
what are the most common grammar errors?
whats 30 divided by 6/7
what is a 'diamond in the rough'?
100 rational numbers can be inserted  between 2 and 7? give your views on this statement
Why does the world fight over things constantly?
The vertex of the parabola y = x2 + 8x + 10 lies in Quadrant
How do I factor x^2+7×+6