Popular >

Rick ran for 3/4 hour on Wednesday for a distance of 4.2 miles. On Thursday, he ran for 1 hour at the same speed he ran on Wednesday. How many miles did Rick run on Thursday?

Solution

Rick ran for \frac{3}{4} hour on Wednesday for a distance of 4.2 miles. On Thursday, he ran for 1 hour at the same speed he ran on Wednesday. How many miles did Rick run on Thursday?

Solution

trip 2 distance : 5.6

Solution steps

Given Time:

trip 1 : \frac{3}{4}

trip 2 : 1

Given Distance:

trip 1 : 4.2

Represent the speed in terms of

x :

trip 1 : x

trip 1 Speed x Time \frac{3}{4} Distance 4.2

Write an equation for trip 1Distance = Speed

\cdot

Time

4.2 = x \frac{3}{4}

Solve for

x, 4.2 = x \cdot \frac{3}{4} : x = 5.6

speed : 5.6

Represent the distance in terms of

y :

trip 2 : y

trip 2 Speed 5.6 Time 1 Distance y

Write an equation for trip 2Distance = Speed

\cdot

Time

y = 5.6 \cdot 1

Solve for

y, y = 5.6 \cdot 1 : y = 5.6

trip 2 distance : 5.6

Popular Examples

The radius of a circle is 19 m. Find its area in terms of find all the pairs of consecutive odd natural numbers, both of which are larger than 10,such that their sum is less than 40 Mark deposited 10,000.00 into a new savings account that earns interest compounded annually. After 10 years, the balance in the account was 21,947.00. What was the interest rate on the account?In 20 years, Joe would be thrice his age 4 years ago. How old will he be in two years?Jayce deposited 1500 at 7% interest compounded annually for 3 years. How much will Jayce earn after 3 years?