2 : 3 = : 9 ?
5 : 10 = 20 : ...?
1 : 3 = 8 : 24 ?
4 : 3 = 16 : 2 ?

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is