Problem

Calculate 0.2˙×0.5˙4˙
Give your answer as a fraction in its simplest form.

Answer

Expert–verified
Hide Steps
Answer

433

Steps

Step 1 :x=0.2

Step 2 :10x=2.2

Step 3 :9x=2

Step 4 :x=29

Step 5 :y=0.54

Step 6 :100y=54.54

Step 7 :99y=54

Step 8 :y=5499

Step 9 :y=611

Step 10 :29×611=2×69×11

Step 11 :1299

Step 12 :433

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