How many photographs does your family buy
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1 Answer

Method 1

160-(5x20)=160-100=60

$60-$50=$10

one photograph purchased with $10 balance.

Method 2

Let the number of photographs purchased be y .

(5x20)+(yx50)=160

100+50y=160

50y=160-100

50y=60

 y =60/50=1.2  

y=1 (rounding off )

one photograph was bought.

by Level 7 User (25.8k points)

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