Set 40 = 5x + 10
Subtract 10 on both sides, then divide 30 by 5
x = 6
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
your answer is A plz mark brainlies
Answer:
8/3 or 5 1/3
Step-by-step explanation:
here's a visual tutorial I don't feel like writing, sorry