Answer:
Seventeen
Explanation:
68-51=17
Increase is basically how many more there are.
51 + 17 = 68
Hope this helps you
Do you mean %?
51 * x/100 = 68 Multiply by 100
51x = 68*100
51x = 6800 Divide by 51
x = 6800/51
x = 133.33%
Or do you mean a simple increase like
68 - 51 = 17?
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