Answer:
Step-by-ste20 / (2/5 + 25) Given
20 / (2/5 + 25/1) Make 25 a fraction
20 / (2/5 + 100/5) Multiply 25/1 by 5 to get a common denominator of 5
20 / (102/5) Combine like terms
20 * 5/102 Dividing fractions is multiplying their reciprocals
100/102 Multiply
50/51 Simplifyp explanation: