Respuesta :
87.4 would be rounded to 90
28.5 would be rounded to 30
90-30=60 This is the estimated value
28.5 would be rounded to 30
90-30=60 This is the estimated value
87.4 would round to 90 and 28.5 would round up to 30
90-30=60
60 would be your answer
90-30=60
60 would be your answer