a recipe calls for 1/2 lbs of flour for one batch how many batches can be made with the flowing number 3/4

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

A(t)=728(1+0.04)^t how much money did aditya originally invest

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?