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Start learning 50% faster. Sign in nowLet her income be 100%. Remaining income = (100 - 12)% = 88% Let the money spent on travel and food be Rs. 7x and Rs. 4x respectively. Now, according to question, => 7x – 4x = 1224 => x = 408 Total money spent on travel and food together = 11x = 4488 => 88% --- 4488 => 100% ----- 5100 Therefore her income is Rs. 5100.
I. 4x2 + 9x - 9 = 0
II. 4y2 - 19y + 12 = 0
I. x2 - 20x + 96 = 0
II. y2 - 23y + 22 = 0
I. p2 – 2p – 15 = 0
II. q2 + 4q – 12 = 0
I. 4x2 – 53x – 105 = 0
II. 3y2 – 25y + 48 = 0
I. 14p² + 9p - 8 = 0
II. 4q² - 19q + 12 = 0
I. 104x² + 9x - 35 = 0
II. 72y² - 85y + 25 = 0
I. 4x2+ 3√7 x-7 =0
II. 7y2+ 4√7 y-5=0
I. 5x² = 19x – 12
II. 5y² + 11y = 12
Between what values of x is the expression 19x - 2x2 - 35 positive?
I. y² - 7 y – 18 = 0
II. x² + 10 x + 16 = 0
