4. Which situation can be represented by a true proportion? An alarm on a clock beeped 7 times in 6 seconds and beeped 14 times in 12
seconds.
A signal light flashed yellow 7 times in 28 seconds and flashed red 5 times in 35
seconds.
A car used 3 gallons of gas to drive 72 miles on a highway and used 4 gallons of
gas to drive 72 miles in town.
A store charged $20 for 2 shirts and charged $25 for 3 shirts.