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1/4 luke's marbles are white, 3/8 are blue, and the rest are 30 yellow marbles. How many of the marbles are white.

User Mister Why
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1 Answer

14 votes
14 votes

Answer:

It is 20 white marbles

step by step Step-by-step explanation:

Fraction of the yellow marbles:


1 - (1)/(4) - (3)/(8) = (3)/(8)

let total number of marbles be x :


{ \sf{ (3)/(8) \: of \: x = 30 \: yellow \: marbles}} \\ \\ (3)/(8) * x = 30 \\ \\ 3x = 30 * 8 \\ 3x = 240 \\ x = 80

Total marbles = 80 marbles

for white marbles:


= (1)/(4) * 80 \\ \\ = 20

User Pav Ametvic
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