<span>December = $57
</span><span>In December, the price was $57, which was $29 less than the price in November then November price was: $57 + $29 = $86
</span><span>In November, the price of a GizmoPhone was double the price in March. so March: $86 x 2 = $172
answer: the price </span>of a GizmoPhone in March was $172
4x+60+ x+15=180
5x+75=180
5x=105
x=21
Two linear angles are supplementary thereom
This will help u.............
Notice the picture below
you have two triangles, and you have the opposite and adjacent sides
thus, recall your SOH CAH TOA

anyhow.. the one that has only
the angle
the opposite
and the adjacent
is Ms Tangent, so lets ask her some

solve for "y"