Nina completed a third of her homework problems. but one-half of all the problems she solved had incorrect answers. if 7 of the problems she solved had correct answers, then how many problems are in her homework?

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

How many grams the dog will eat in 3 days?

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.