Respuesta :
'Of' in mathematics means 'multiply'. Change the 25% to a decimal by moving the percent sign two places to the left.
25% becomes .25.
Mutliply: .25 * 42 or 1/4 * 42
Answer: 10.5
25% becomes .25.
Mutliply: .25 * 42 or 1/4 * 42
Answer: 10.5