4. If X+y>10 and x-2y>3, then which of the following gives all possible values of x?
(A) >25
(B) x > 20
(C)x> 17
(D) x > 10
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x + y > 10
MULTIPLY BOTH SIDE'S BY 2 WE HAVE
2x + 2y < 20 .... Equation ( i )
x - 2y > 3 ..... Equation ( ii )
Add both the equations we have
3x < 23
=>
DIVIDE BOTH SIDES BY 3
x < 23/3
=>
x < 7.66
x€ ( -∞ 7.66)
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i think Given options are wrong.
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Yeah.. some times it happen...
When the price of banana is reduced by then by Tk. 75 one can buy five more
bananas. What is the present price of each dozen of banana?
(D) Tk. 30
: . (A) Tk 42 . (B) Tk. 28... (C). Tk35
bananas. What is the present price of each dozen of banana?
(D) Tk. 30
: . (A) Tk 42 . (B) Tk. 28... (C). Tk35
When the price of banana is reduced by 16*2/3% then by Tk. 75 one can buy five more
bananas. What is the present price of each dozen of banana?
1. (A) Tk 42 . (B) Tk. 28 ... (C) Tk. 35
(D) Tk. 30
bananas. What is the present price of each dozen of banana?
1. (A) Tk 42 . (B) Tk. 28 ... (C) Tk. 35
(D) Tk. 30
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