Old - new is 1 so than after that it would be 1/5 than 1/5 x 100 = 20%
25% of 30 can be found by converting 25% to a decimal and multiplying it by 30.
25% = 0.25
30x0.25=7.5
So x is 7.5.
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hope it helps
Answer:

Step-by-step explanation:
The way I did this was I noticed that the graph had a y-intercept of 4 and the only exponential function that had a y-intercept of 4 was
Step-by-step explanation:
(10-0) ÷ (27-0) = x ÷ y
10 ÷ 27 = x ÷ y
27x = 10y
2,7x = y
The third one