The Highest Common Factor (HCF) of 320 and 560 is the largest positive integer that divides both numbers without leaving a remainder. To find the HCF, you can use the Euclidean algorithm, which involves dividing the larger number by the smaller number and then using the remainder as the new divisor. By repeating this process, you will eventually find that the HCF of 320 and 560 is 80.
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560/720 = 7/9 by dividing the numerator and the denominator by their hcf which is 80
The multiples of 80 are: 80, 160, 240, 320, 400, 480, 560, 640, 720, 800, 880, & 960.
560
1/2 of 560 = 560/2 = 280
562 rounded to the nearest tens is 560