Question
Find the following values without a calculator. Simplify to the simplest form.
  1. 80 : 90 = _____
  2. 190% : 80% =
  3. 1.8 : 0.4 = _____
  4. 12 : 13 = _____
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

(d)

Click button first when a symbol is required. X

Find the following values without a calculator. Simplify to the simplest form.
  1. 80 : 90 = _____
  2. 190% : 80% =
  3. 1.8 : 0.4 = _____
  4. 12 : 13 = _____