chapt 1.2 & 1.3 - ratio , rate , proportion , percentage

Question 1

1cm on the map = ??? cm actual

Answer 1

100000cm

Question 2

y is directly proportional to x

Answer 2

y = kx

Question 3

y is inversely proportional to x

Answer 3

y = k/x

Question 4

(percentage) new value

Answer 4

final % - OG value

Question 5

increased value (same as decrease)

Answer 5

% increase x OG value

Question 6

% increase

Answer 6

increase in quantity/OG quantity x 100