Respuesta :
Answer:
total emails are 75
so he needs to answer 60 mails yet
Step-by-step explanation:
15 × 100/20
15× 5
75
Answer:
Total, he must answer 75 emails. We need to find what's 100%, so we can multiply 20% by 5 and get 100%. Then you do the same thing you did to the other number, multiply 15 by 5.