Look at the picture it explains the answer
Let x be white marbles, y be yellow marbles
x+y=54…(1)
x=3y - 6 …(2)
put (2) into (1)
(3y - 6) + y = 54
4y = 60
y=15
put y=15 into (1)
x + 15=54
x=39
so y=15 x=39
Answer:
Sorry i don't get this at all. what grade is this ?!!?!?!?
Step-by-step explanation:
Answer:
15 pieces :)
Step-by-step explanation: 30 percent of 50 is 15
