25%=0.25
24*0.25=6
24-6=18
18 pairs are not black
the answer you are looking for is 5 9/20 pounds
sorry but it as to be twenty character
<span>5 + 2i–4i + 15i12
2+ square root of 6</span>
Answer:
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10th
Maths
Pair of Linear Equations in Two Variables
Algebraic Solution of a Pair of Linear Equations
Solve: 3x + 4y = 10,2x - 2y...
MATHS
Asked on December 27, 2019 byShweta Rudravaram
Solve: 3x+4y=10,2x−2y=2 by the method of elimination.
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ANSWER
3x+4y=10 …………..(1)
2x−2y=2 (or) x−y=1 …………(2)
(1) ⇒(3x+4y=10)1
(2) ⇒(x−y=1)3
_____________________
3x+4y=10
3x−3y=3
_____________________
7y=7
∴y=1
Put y=1 in (1) we get 3x+4×1=10
3x=10−4=6
∴x=36=2
Hence x=2,y=1.
Well in my calculations I got: well if you he increases the speed by 2.6 per hour soo 4+2.6=6.6