Question

it is math help my homework for tomorrow
a.The missionaries who spoke in chapel had ministered in brazil for 9 2/3 years and in peru for 7 1/2 years. how long had the missionaries ministered in south america?

b.Another missionary speaker and this family had ministered in Africa for 21 3/4 years.For 10 1/2 years,he was in the congo,and the rest of the time he ministered in chad.How long was he in chad?

c.Altogether how long had the two families ministered as missionaries?

Answer 1

 Lo resolvì, espero haber ayudado.