<span>"Each box has 10 bags in it. each bag has 10 blocks in it."
That means that in each box, there are 100 blocks. Tiara just needs to buy [3 boxes] and she'll get [84 blocks left over].</span>
I hope this helps you
4.1+4. (-x)+2x=3.x+3.1
4-4x+2x=3x+3
-2x-3x=3-4
-5x= -1
x=1/5
Here is a picture with the answer.
2t^2+1
Subtract t^2 from 3t^2 you get 2t^2
which is 2t^2+1 answer