It would help if you would proofread your work before you post it. I assume you mean 1:3
1/3 = x/57
Multiply both sides by 57, then divide by 3.
Stephanie swims laps every day. The number of laps she swims is directly proportional to the time in minutes. If the constant of proportionality for this relationship is 13 , then how many laps can she swim in 57 minutes?
a. 3 laps
b. 19 laps
c. 27 laps
d. 171 laps
1 answer
3 answers