-924
200 + 640 + 390 = 1270
The answer = 3470
256 +384 = 640
The answer = 4550
320t + 640 = 1600 Therefore, 320t = 960 t = 960/320 t = 3
No 640 plus is but you are getting close.
x3+640=0?If that's the case, then you first want to move the 640 to the other side.x3=-640Then you take the cube root of -640 to find what x is. Or you can also write it as x=(-640) to the 1/3 power.x=(-640)1/3Which is equal to 4*101/3 or ≈(-8.618).
It's bad-640 plus is good.
640
640
640
60% of 640= 60% * 640= 0.6 * 640= 384