1 answer:

<h2>1 ) </h2>
when x = 3 ; y = 2

substitue x = 3 and y = 2 in the given equation !

<h2>—————————————</h2>
<h2>2 ) </h2>
We've to divide 328 in the ratio of 1 : 3
let the respective distribution be x and 3x.
Then ,

the respective shares are :
x = $82
3x = $246
<h2>—————————————</h2>
<h2>3 ) </h2>
6 pens cost $90
therefore ,
cost of 1 pen =

further ,
cost of 9 such pens = $15 × 9 = $135
<h2>—————————————</h2>
<h2>4 )</h2>
0.5 of a pound = 113.398 grams
<h2>—————————————</h2>
hope helpful~
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