When Ms. Pi turned on her oven the temperature was 70°F. The temperature began to rise at a rate of 20° per minute. How long did it take the oven to reach 350°F?
Eight times a number plus 3 times a number is 9 more than 12 times a number.
The student council is having some posters printed for the winter food drive. The printer charges $180 and $2 per poster printed. How many posters can be printed for $500?
Bill and Mike each opened savings accounts on the same day, intending to withdraw the money for tennis lessons. Bill opened his account with $710 and withdrew $35 per week. Mike opened his account with $570 and withdrew $25 weekly. In how many weeks will their balances be equal?
Mr. Smith needed to rent a moving van. Mayflower Movers charges a rate of $90 per hour plus a $50 truck fee. Mabel’s Movers charges $70 per hour plus a $90 truck fee. For what number of hours of rental is the cost for the two companies the same?
Lenny makes $55,000 and is getting annual raises of $2,500. Karl makes $62000, with annual raises of $2,000. How many years, y, will it take for Lenny and Karl to make the same salary?