Ok... we'll do the same here, elimination
g = carbs in one glass of milk
b = carbs in a snack bar

in this, we can simply multiply by -2 at the bottom to get a -4g, and thus "eliminate" the g-variable
You'd need to start by finding what 40% of 280 is. To do this, you turn 40% into a decimal which is .40 . Multiply .40 x 280 which is 112. Then subtract that answer from 280 which is 168 baseball cards. Hope this helped :)
Answer:
a
Step-by-step explanation:
Answer: This is what I get.
Step-by-step explanation:
Answer:
The two numbers are -419 and -2095.
Step-by-step explanation:
5x=y
x-y=1676
----------------
x-5x=1676
-4x=1676
x=1676/-4
x=-419
5(-419)=y
y=-2095