For class trip the teachers would like to have one adult for every 10 students there are 190 students on the trip how many adult
2 answers:
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Decrease = New number - Original Number
% Decrease =
× 100
Decrease = 9 - 12 = -3
% Decrease =
= -0.25 × 100 = -25
Your answer = -25
% Decrease =
Decrease = 9 - 12 = -3
% Decrease =
Your answer = -25