Answer:
650% increase
Explanation:
150/20 = 7.5
7.5 - 1 = 6.5
6.5 × 100 = 650%
Let's make sure this is correct.
650/100 = 6.5
6.5 + 1 = 7.5 The extra 1 represents the increase!
20 × 7.5 = 150
I hope this helps!! ^-^
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