Tim's family toured the Astronaut Hall of Fame from 2:05P. M. To 2:45 P. M. Explain how you know that the tour was more than 30 minutes.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?

Milk and ice cream are mixed together for a recipe. the total volume of the mixture is 1 cup. if the milk contains 2% fat, the cream contains 18% fat ,and the mixture contains 6% fat ,how much cream is in the mixture