A phone company offers two monthly plans. Plan A costs $16 plus an additional 0.14 for each minute of calls. Plan B costs 21 plus an additional 0.10 each minute of calls. For what amount of calling do the two plans cost the same?

12.5

Step-by-step explanation:

16+0.14x = 21+0.1x

-16 -16

0.14x=5+0.1x

-0.1 -0.1

0.4x=5

5/0.4 = 12.5

bull

step-by-step explanation:

a mantle plume is an upwelling of abnormally hot rock within the earth's mantle. as the heads of mantle plumes can partly melt when they reach shallow depths, they are thought to be the cause of volcanic centers known as hotspots and probably also to have caused flood basalts.

step-by-step explanation: