John is driving around town. when he reaches the gas station, he notes that he has traveled 20 miles. he reaches home 2 hours later and notes that he has traveled 30 miles.

if d represents the distance and t represents the time, in hours, john has traveled since the gas station, which of the following equations can be used to model this situation?

How do i do this? i don’t understand

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.