Answer:
X=67.5
Step-by-step explanation:
3X + X=4X
4X+90=360
4X=360-90
4X=270
67.5
total=360 degrees
360 - 90 = 270
3x + x = 4x
270 = 4x
270/4=67.5
x = 67.5
Step-by-step explanation:To add the three distances first align the decimal points, adding in place holder zeros if necessary. Then add each place value and rename when necessary.
$328.12
8.75X37.5
3