Two women start race at same time and one overcomes the other by 30 miles. they leave at same time in same direction. one overtakes the other in 6 hours. if they ride toward each other, they pass in one hour. what are their rates

Iknow the answer but the calculator doesn't seem to give the right one

Suppose you have 10 skittles. 5 green and 5 red. you choose 4 without looking. what is the probability that all 4 skittles will be green?

Edith is shopping for a new leather couch. jordan’s furniture has one that costs $3,000. however, this weekend she can get a 15% discount. how much money will edith save if she buys the couch this weekend? a $15b $2,550c $45,000d $450