The percentage increase is 46%.
Original number/start = $15
End number = $22
Increase = $22 - $15 = $7
% increase = Increase ÷ Original Number × 100
Substitute in known values
% increase = 7 ÷ 15 × 100
Divide
% increase = 0.46 × 100
Multiply
% increase = 46%
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Answer:
x = 53
Step-by-step explanation:
Vertical angles are equal
so
3x - 10 = 149
3x = 159
x = 159 / 3
