Train a departs from point a with a velocity of 150 km/h, train b departs from point b with a velocity of 100 km/h, and the distance between point a and b is 500 km. how long will it take for the trains to meet?

Can you answer my question? will mark brainiest!

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !