Question

Cassidy drove twenty-one point seven miles from school to pick up her brother at home. Then she drove him to a doctor's appointment. If she drove a total of thirty point nine miles, which equation gives the number of miles she drove from home to the doctor's appointment?

m minus thirty point nine equals twenty-one point seven

twenty-one point seven plus m equals thirty point nine

thirty point nine plus twenty-one point seven equals m

twenty-one point seven minus m equals thirty point nine

Answer 1

21.7+m=30.9

Answer 2

so b

Answer 3

B is correct