kc062506
Answered

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A boat traveled 15 miles in 2 hours.
At this rate, how many miles will the boat travel in ½ hour? Help please♡

Sagot :

masterboi23455

Answer: 3.75 miles

Step-by-step explanation:

15 divided by 4 = 3.75

2 hours can be brokens into 4 parts (30 minutes) that's why we divide 15 by 4 to find the answer.

Hope this helps!

jcherry99

Answer:

In 1/2 hour the boat will go 3.5 miles

Step-by-step explanation:

Comment

This is a question that uses a proportion. A proportion is 2 ratios that are equal. You must know 3 parts of the proportion to be able to solve for the 4th. Fortunately, you do.

Givens

d1 = 15 miles

t1 = 2 hours

d2 = x

t2 = 1/2 = 0.5

Equation

d1/t1 =  d2/t2              

Solution

d1/t1 =d2 / t2                   Substitute the givens into the equation

15 / 2 = d2/ 0.5               Cross multiply

2*d2 = 15*0.5

2*d2 = 7.5                        Divide by 2

2*d2/2 = 7.5/2

d2 = 3.75      

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