It takes bob 3 hours less than Joe to rebuild an engine.Working together,they can do the job in 6 hrs. How long[..]

May drives 32 miles to chicago during a snow storm at a certain speed. She returns after the storm 10 MPH faster.[..]

The difference if two numbers is 4. The larger number is 5 less than four times the smaller. find the two numbers

the ten's digit of a two-digit number is 3 more than the unit's digit. find the number if it is 7 times the sum of[..]

the sum of the digits of a two-digit number is 9. if interchanged, the new number is 9 less than twice the original[..]

your friend received a pay raise this year. the raise was 6% of last years salary. this year he will warn $15,900.[..]

you are getting ready for a dinner. you estimate 2 gallons of fruit punch will serve 30 people. how many gallons of[..]

if you invest $1000 at a rate of 4.8%, what is the amount after 3 years

Find a 12% solution that was added to 80cc of a 22% solution in order to have a 16% solution

If two hikers start at opposite ends of a trail and walk toward each other. Trail is 36 miles long and they meet in[..]