3/4 of 520 is 390.
390
Expressed as a ratio in its lowest terms, 120:390 is equal to 4:13.
530
It is 23/130.
130, 260, 390, 520, 650, 780, 910 +130 . . .
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If you voicemail from this sham organization, here is the number to call to complain: 520 390 0211
65/390 = 1/6
Southern Arkansas University's 2014 25th-75th percentile SAT Critical Reading Scores are 390-520, meaning 25% of students scored 390 or lower on the Critial Reading portion of the SAT, and 75% of students scored 520 or lower (i.e. 25% of students scored 520 or higher).
If you mean: 5 20 then it is 1 4
65, 130, 195, 260, 325, 390, 455, 520, 585, 650, 715, . . .