Afarm raises a total of 220 chickens and pigs. the number of legs of the stock in the farm totals 520. how many chicken and pigs are at the farm?

Multiplying an even number of negative numbers gives an answer that is choose from:

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

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?