Question
Carl has some yellow and grey balls. The total mass of all his balls is 186 g. He has 4 more grey balls than yellow balls. The average mass of the yellow balls is 6 g. The average mass of the grey balls is 8 g. How many balls does Carl have altogether?
3 m

Click button first when a symbol is required. X

Carl has some yellow and grey balls. The total mass of all his balls is 186 g. He has 4 more grey balls than yellow balls. The average mass of the yellow balls is 6 g. The average mass of the grey balls is 8 g. How many balls does Carl have altogether?