Respuesta :
.answer:
78%
.step-by-step explanation:
first determine how much it increased by. 36+X=64
X=28
it increased by 28
now determine what percentage 28 is of 36
36(Y)=28
Y=.77777778
28 is a 77.78% (.7778) increase from 36
after you round, your answer is 78%
Answer:77%
Step-by-step explanation:
Find the amount of change.
Amount of change = Greater Value − Lesser Value
= 69 − 39 Substitute values.
= 30 Subtract.
Find the percent increase. Round to the nearest percent.
Percent Change =
Amount of Change
Original Amount
=
30
39
Substitute values.
≈ 0.769 Divide.
= 77% Write as a percent and round.
The percent increase is 77%.