Question
P4.FR.NK.22120816-A1
There was an equal number of red and black balls in a bag at first. After 18 black balls were taken out and 31 red balls were added into the bag, there was 18 as many black balls as red balls. Find the number of black balls in the bag at first.
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Primary 4 FRACTIONS P4.FR.NK.22120816

29 Jun 2024, 09:13 PM

There was an equal number of red and black balls in a bag at first. After 18 black balls were taken out and 31 red balls were added into the bag, there was 18 as many black balls as red balls. Find the number of black balls in the bag at first.
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