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Decimal to Percent. Percent to Decimal

  • To convert a decimal to a percentage, it must be multiplied by 100.
  • To convert a percentage to a decimal, it must be divided by 100.

Examples of convert decimal to percent

Example 1.
Convert decimal to percent a) 4; b) 1; c) 0.4; d) 0.04; e) 0.004.
Solution:
a) 4 = 4 · 100% = 400%;
b) 1 = 1 · 100% = 100%;
c) 0.4 = 0.4 · 100% = 40%;
d) 0.04 = 0.04 · 100% = 4%;
e) 0.004 = 0.004 · 100% = 0.4%.

Examples of convert percent to decimal

Example 2.
Convert percent to decimal a) 500%; b) 100%; c) 50%; d) 5%; e) 0.5%.
Solution:
a) 500% = 500 = 5;
100
b) 100% = 100 = 1;
100
c) 50% = 50 = 0.5;
100
d) 5% = 5 = 0.05;
100
e) 0.5% = 0.5 = 0.005.
100

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