shezanisak shezanisak

21-09-2021
Mathematics

contestada

A bag contains 140 balls of various colours. If 30 red balls are added to the bag the proportion of red balls in the bag is doubled. How many red balls were in the bag to begin with?

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sarahmci2008 sarahmci2008

21-09-2021

Answer:

30

Step-by-step explanation:

because in order for something to double you need it times 2 or add itself together like 30+30 is 60 and that just doubled the original number 30

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