All of the following expressions are equivalent except .

How many grams the dog will eat in 3 days?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

You’re ordering more thread for blue jeans co. you usually purchase from ted’s threads, which sells 12 thread spools for $27. you recently received a notice from wade's wares that says you can buy thread from them for $2.30 each for the first 2 dozen and $2 a spool thereafter. you need to order 5 dozen spools. what percentage can you save by going with wade’s wares?