The exchange rate between pounds Sterling () and US Dollars ($) is given as 1 = $1.25.

Question:

The exchange rate between pounds Sterling (£) and US Dollars ($) is given as £1 = $1.25.

a. Using the number of dollars as D and the number of pounds as P, write a formula linking P and D.

D = 1.25P

b. Complete the table of results below to convert Pounds to Dollars.

c. Plot a graph of D against P for the table of values in part (b).

d. Use your graph to find an approximate value for the amount of US Dollars you would receive if you exchanged £17.00.

From the graph £17 ≈ $21.20

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Cambridge Checkpoint Lower Secondary Mathematics Student's Book 7

ISBN: 9781398301948

3rd Edition

Authors: Frankie Pimentel, Ric Pimentel, Terry Wall

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Question Posted: Feb 06, 2023 01:13 AM

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The exchange rate between pounds Sterling () and US Dollars ($) is given as 1 = $1.25.

Question:

PD 0 1 5 10 20 P D 0 0 1 1.25 5 6.25 10 12.50 20 25

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We need write a formula linking P and D It is given that 1 125 or 1 08 So based on this assumed ...View the full answer

Cambridge Checkpoint Lower Secondary Mathematics Student's Book 7

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