(3 pt)
edgar and tim each wrote a correct number sentence to solve this problem.

megan finished a 6 mile bike race in 30 minutes. she biked each mile in the same amount of time. how many minutes did it take megan to bike each mile?

each boy wrote a different number sentence. edgar wrote: 30 ÷ 6 = .

which number sentence could tim have written to solve the problem?

a.
+ 6 = 30

b.
– 36 = 30

c.
× 6 = 30

d.
= 30 × 6