Dan is cutting 4.75 foot lengths of twine from a 240 foot spool of twine. he needs to cut 42 lengths, and says that 40.5 feet of twine will remain. show that this is reasonable

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

Alarger number is double the sum of a smaller number. the larger number is 2 less than 3 times the smaller number. if y represents the larger number and x represents the smaller number, which equations model the situation