The telephone company offers two billing plans for local calls. Plan 1 charges $27 per month for unlimited calls and Plan 2 charges $11 per month plus $0.05 per call. A. Use an inequality to find the number of monthly calls for which Plan 1 is more economical than Plan 2.

Step-by-step explanation:

Step one:

Plan 1

charges = $27 monthly

the total charges is expressed as

y=271

Plan 2

charges= $11 monthly

extral= $0.05 per call

let x be the number of calls

the total is expressed linearly as

y=0.05x+112

Step two:

equating 12 and 2 we have

27=0.05x+11

collect like terms

27-11=0.05x

16=0.05x

divide both sides by 0.05

x=16/0.05

x=320

the inequality for which plan A is more economical is

0.05x+11<27 for x<=320

add an image !

step-by-step explanation:

segment bisector

step-by-step explanation:

line segment bisector. definition: a line, ray or segment which cuts another line segment into two equal parts. try this drag one of the orange dots at a or b and note the the line ab always divides the line pq into two equal parts.

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