The difference of two numbers is 49. One half of the larger number
plus one seventh of the smaller number is 56. Find the numbers.

What is the simplified expression for 6(2(y+x))

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up