Answer:
Hi. I don't know what your question is, but if you ask it, I'll try to answer it.
Step-by-step explanation:
She removed 12 marbles because 3×12=36 and you can do commutative property and do 12×3= what? 36!
85 is the answer. 2+ 78 = 80 + 5 += 85.
Answer: 140
Oleg, Sasha, and Dima shared 600 toys. Sasha had twice as many toys as Oleg. Dima had 40 more toys than Oleg.
Let the number of toys Oleg has = x
Let the number of toys Sasha has = y
Let the number of toys Dima has = z
Sasha had twice as many toys as Oleg
So y = 2*x= 2x
Dima had 40 more toys than Oleg.
z = x + 40
Oleg, Sasha, and Dima shared 600 toys
x + y + z= 600
We know y=2x and z=x+40
Replace it for y and z
Subtract 40 on both sides
Divide by 4 on both sides
Oleg had 140 toys
Step-by-step explanation: