Some guavas and apples were purchased at the rate of ₹3 for a guava and ₹12 for an apple .15 fruits were purchased for ₹72.find the number of apples purchased
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Answer:
6 apple as 72-12=6 as he purchased
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Acc. to question
let no. of guavas be x
let no. of apples be y
then,
x+y=15 ------1
nd
3x+12y=72
or
3(x+4y)=72
x+4y=24 --------2
subtracting equ 1 frm 2
x+4y=24
-x-y= -15
—————
3y= 9
y= 3
no. of apples = 3
let no. of guavas be x
let no. of apples be y
then,
x+y=15 ------1
nd
3x+12y=72
or
3(x+4y)=72
x+4y=24 --------2
subtracting equ 1 frm 2
x+4y=24
-x-y= -15
—————
3y= 9
y= 3
no. of apples = 3
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