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Byju's Answer
Standard X
Mathematics
Finding Solution for Consistent Pair of Linear Equations
Find the cost...
Question
Find the cost ot 2 shirts and 3 pants , if the cost of 2 shirts and 1 pant is Rs 625 and 3 shirts and 2 pants together cost Rs 1125 ?
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Solution
Let
the
cost
of
1
shirt
=
Rs
x
Let
the
cost
of
1
pant
=
Rs
y
According
to
question
:
2
x
+
y
=
625
.
.
.
.
1
3
x
+
2
y
=
1125
.
.
.
.
2
Multiply
1
by
2
,
we
get
4
x
+
2
y
=
1250
.
.
.
3
Subtracting
2
from
3
,
we
get
x
=
1250
-
1125
=
125
Put
x
=
125
in
1
,
we
get
250
+
y
=
625
⇒
y
=
625
-
250
⇒
y
=
375
So
,
cost
of
1
shirt
=
Rs
125
Cost
of
1
pant
=
Rs
375
Cost
of
2
shirts
and
3
pants
=
2
×
125
+
3
×
375
=
1375
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