Popular >

Two trains leave stations 230 miles apart at the same time and travel toward each other. One train travels at 85 miles per hour while the other travels at 70 miles per hour. How long will it take for the two trains to meet?

Solution

Solution

time : 1 \frac{15}{31}

Solution steps

Translate the problem into an equation:

85 x + 70 x = 230

Solve for

x, 85 x + 70 x = 230 : x = \frac{46}{31}

Convert improper fractions to mixed numbers

time : 1 \frac{15}{31}

Popular Examples

A can of energy food drink contains 20% more for the same price as the standard can.If the extra amounts to 150 g, how much does the standard can contain?12 less than a number is-19 The square of Kate's age 2 years from now is equal to 20 times her age 3 years ago The sum of three consecutive integers is 216 . Find the integers.:If we subtract 28 from a whole number, it is reduced by two thirds.:is the original number?a mans age is 36 and that of his daughter is 3years. in how many years will the man be 4times as old as his daughter