Q. Type the missing number to complete the proportion.20 laps in 2 days = 10 laps in ____ days
Identify proportion: Identify the proportion given and what is asked. 20 laps in 2 days =10 laps in x days. Here, we need to find x, the number of days to swim 10 laps.
Set up proportion: Set up the proportion to solve for x.Using the proportion, 2 days20 laps=x days10 laps.Cross multiply to solve for x: 20x=2×10.
Solve for x: Solve for x.20x=20.Divide both sides by 20: x=1.