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7/50
100 80 + 20 = 100 120 - 20 = 100
The percentage of 100 to 500 is 20%.
0.3 is halfway between 20% and 40%
100/(500/100) = 20%
20% of 500 = 20% * 500 = 0.2 * 500 = 100
100 is 20% of 500.
20% of 500 = 100
500 2500.
100
Multiply by 5 4*5 = 20 20*5 = 100 100*5 = 500 500*5 = 2500
50 It is 20 more than 30 and 20 less than 70 To find a halfway point (which is also the average), add the numbers together and divide by 2. 30 + 70 = 100 and 100 / 2 = 50