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Chapter 8: Q. 396 (page 996)

Martha changed $350 US into 385 Australian dollars. How many Australian dollars did she receive for each US dollar?

Short Answer

Expert verified

Martha receive 1.1 Australian dollars for each US dollar .

Step by step solution

01

Step 1. Given Information:

Martha changed $350 US dollars into $385 ,

Need to find the value of one US dollar in Australian dollars.

02

:Translate into a proportion :

Need to take care of the units while translate into a proportion,

AustraliandollarsUSdollars=AustraliandollarsUSdollars

Let x be Australian dollars for each US dollars,

Proportion, 385350=x1

03

Step 3. Solve Proportion : 

385350=x1

Multiply both sides by the LCD(Lowest common denominator ) = 350.

localid="1647793625200" 350脳385350=350脳x1

Remove common factors on each side.

350脳385350=350脳x1x=385350x=1.1Australiandollars.

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