Question

六1班有48人,其中女生占37.5%,新学期又转来几位女生,这是男生占全班人数的60%,转来的女生有多少人?

Answer 1

48 * 37.5% = 18

(48 + x) * 60% = 48 - 18 = 30

x = 2

解得转来女生2人.