University:
California State University, Northridge
Course:
BUS 104 | Introduction to Business
Academic year:

2023
Views:

367

Pages:

3
Author:

Keri Smith

Student Name: Smith School: hipp Instructions: Complete the following questions. Show all your work. Be sure to write legibly. When you finish, scan and save your work. Upload to your course for review by your teacher. Emma's Cell Phone Plan - Options Plan A Plan B Prepaid plan Flat fee of $22.00 per month, plus $0.18 per text sent $0.07 per text sent $0.10 per minute per call $0.07 per minute per call Emma is shopping for a new cell phone. She is trying to decide between Plan A, a pre-paid plan, and Plan B, a monthly plan. 1. Suppose Emma chooses Plan A. Emma is very shy and has trouble talking to people on the phone. She doesn't use the calling feature, only texts. a. Write an equation for the cost, C, of sending t texts. (=1804 b. How much will it cost Emma to send 22 texts? 3.96 c. If Emma has $10, how many texts can she send? 55 1 ADAPTED FROM GEORGIA VIRTUAL, 2018 2. Emma is very shy. Her friends are concerned that texting only will further increase her shyness. They encourage her to consider a plan with a talk option instead of texting only. Suppose Emma takes their advice and decides to use only the talking features of Plan A and not send any text messages. a. Write an equation for the cost, C, of talking m minutes. C=0.10m b. How much will it cost Emma to talk for 30 minutes? 38 300 $3.00 c. If Emma has $10, how many minutes can she talk? 10=10m 100 minutus 3. Emma feels her friends are right; she probably does need to talk more. She decides to look more closely at the talk and text options of Plan A. a. Write an equation for the cost, C, of sending t texts and talking m minutes. (=10mt.18+ b. How much will it cost Emma to send 4 texts and talk for 15 minutes? 1.5 0.72-222 c. If Emma wants to send 18 texts and only has $8, how many minutes can she talk? Will this use all her money? If not, what will she have left over? She will be able to Yaik for 47.5 2 ADAPTED FROM GEORGIA VIRTUAL, 2018 4. After considering Plan A, Emma is concerned that it might not be the best for her budget. Write an equation for the cost C of using Plan B. (= 2z + 7t + 7m 5. In an average month, Emma sends 400 texts and talks for 62 minutes. Which Plan. would you recommend Emma go with? Why? 22 + 28 + 4.34 54.3 ^ 4 3 ADAPTED FROM GEORGIA VIRTUAL, 2018