Respuesta :
Answer:
7
Step-by-step explanation:
75% of 28 is 21
21-28=7
21 pairs donated
7 left
Step-by-step explanation:
100%-75%=25%
if 100%=28
25%?
25×28=700÷100
=7
Answer:
7
Step-by-step explanation:
75% of 28 is 21
21-28=7
21 pairs donated
7 left
Step-by-step explanation:
100%-75%=25%
if 100%=28
25%?
25×28=700÷100
=7