lara has 3 cats:socks,princess,and luna.the ratio of socks weight to princess weight is 4:5.the ratio of princess weight to luna's weight is 6:7 what is the ratio of socks weight to luna weight?
December 17, 2013
Natalie has a change purse full of coins. She has 13 pennies, 15 dimes and 22 nickels. If she takes a coin out of her purse, without looking, the probability that it will be a penny is?
December 10, 2012