thomasturnernaz thomasturnernaz

16-04-2018
Mathematics

contestada

obert drove at an average speed of 60 miles per hour for 6 hours. Nancy drove for 7 hours at an average speed of 56 miles per hour. Which method shows a way to calculate the difference in the distances they drove? A. Step 1 Divide: 60 ÷ 6. Step 2 Divide: 56 ÷ 7. Step 3 Subtract the two quotients. B. Step 1 Divide: 60 ÷ 6. Step 2 Divide: 56 ÷ 7. Step 3 Add the two quotients. C. Step 1 Multiply: 60 × 6. Step 2 Multiply: 56 × 7. Step 3 Add the two products. D. Step 1 Multiply: 60 × 6. Step 2 Multiply: 56 × 7. Step 3 Subtract the two products.

Respuesta :

sqdancefan sqdancefan

18-04-2018

distance = speed * time
so only choices C and D make any sense.

Since you want the difference of the two distances, only choice D is correct.

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