The 2-digit number chosen to divide by 1 1/3 is 47.

Multiply by 3: 3 × 47 = 120 + 21 = 141

Divide by 4: 141/4 = 35 1/4

So 47 divided by 1 1/3 = 35 1/4.

See the pattern?

The 2-digit number chosen to divide by 1 1/3 is 82.

Multiply by 3: 3 × 82 = 246

Divide by 4: 246/4 = 61 1/2

So 82 divided by 1 1/3 = 61 1/2.

With this pattern you will be able to give answers quickly, but most importantly,
your answers will be exact. If a calculator user divides by 1.3, the answer will
NOT be correct.