The percent increase is 80%
Step-by-step explanation:
Percent increase is given by:

Here
New value = 36
Old Value = 20
Increase = 36-20 = 16
So,

Hence,
The percent increase is 80%
Keywords: Percentage, Percent
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3a- 10° 3b- 55°
4a- 135° 4b- 45°
Complementary angles add up to 90°
Supplementary angles add up to 180°
Answer=15:39
Step1(find the number of right handed batters)
Left-handed batters=45
5 45
__=___
8 x
Cross multiply
5x=360
divide both sides by 5
x=72
Right-handed batters=72
Step 2 (find the number of total batters)
total batters=45+72=117
Step3 (find the ratio of left handed batters to total batters)
Left-handed batters to total batters= 45/117
45/117 can be shortened to 15/39
Answer=15:39
Answer:
A
Step-by-step explanation:
sin θ=3/8
θ=sin ^{-1}(3/8)
≈22.02 °