2 x 43
67
1 x 46= 46 2 x 46= 92 3 x 46= 138 4 x 46= 184 5 x 46= 230 6 x 46= 276 7 x 46= 322 8 x 46= 368 9 x 46= 414 10 x 46= 460 11 x 46= 506 12 x 46= 552 13 x 46= 598 14 x 46= 644 15 x 46= 690 16 x 46= 736 17 x 46= 782 18 x 46= 828 19 x 46= 874 20 x 46= 920
Length of the whole trip = D kmUnknown speed for the second half = X km/hrTime for the first half = (D/2)/67 = D/134 hoursTime for the second half = (D/2)/x = D/(2x) hoursTotal time for the trip = (D/134) + (D/2x) = D/861/134 + 1/2x = 1/862x/134 + 1 = 2x/86x/67 + 1 = x/43x(1/43 - 1/67) = 1x = 1 / (1/43 - 1/67) = (43 x 67) / (67 - 43) = 2881/24 = 120.042 km/hr (rounded)=============================================Check:(1/134) + (1/240.084) = (240.084 + 134) / (240.084 x 134) = 1/86 QED yay !
43
2 x 43
The LCM is 207690. 5 = (1 x 5) prime 21 = 3 x 7 43 = (1 x 43) prime 46 = 2 x 23 LCM = 2 x 3 x 5 x 7 x 23 x 43 = 207690
91
91
67
There isn't any.46 x 43 = 1978 . . . below the specified range47 x 43 = 2021 . . . above the specified range
-24 The equation: -67 + 43 = -24.
43/46 is in its simplest form.
67 percent as a fraction and decimal = 67/100; 0.67 67%= 67%/100%= 67/100 in fraction= 0.67 in decimal
LCM(46, 43, 23) = 1978.
67% of x = 67 0.67 x = 67 x=67/0.67 x=100
Answer: 31 46, 45, 43, 40, 36 46-1=4545-2=43 43-3=40 40-4=3636-5=31