410 miles in 16 gallons
What is 25.63 miles/gallon
n/12 = 6/18
What is n = 4
Do the ratios form proportions? $8/20 lbs and $24/60 lbs
What is Yes (480 = 480)
2/x = 7/9
What is x = 2.57
Do the ratios form proportions? 5 ft/7 s and 25 ft/ 49 s
What is No
30/14 = k/1.54
What is k = 3.3
Write the ratio as a fraction in simplest form 30 seconds to 5 minutes
What is 6/1
Ethan can buy 4 CDs for $71.96 at CD Express or 9 CDs for $134.55 at Music Rox. Which has the better unit cost? How much is he saving per CD?.
What is Music Rox has the better buy (14.95 per CD). Ethan saved $3.04 per CD.
Do the ratios form proportions? 21 mi/6 h and 14.3 mi/ 3 hr
What is No (63;85.8)
380/520 = 760/x
What is x = 1040
The moat separating the people from the animals are 5 m wide for bears and 4 m wide for leopards. If the bears' moats is 4 m deep, how deep should the leopards' moat be?
What is 3.2 m for the leopards