anonymous one year ago help !

1. anonymous

with?

2. anonymous

3. anonymous

this is a simple fraction question. give me a moment to work it out myself and ill walk you step by step

4. anonymous

@Michele_Laino

5. anonymous

Take a look at the units. Your answer is to be in miles/hr so you need to divide the number of miles by the number of hours. This gives$\frac{ \frac{ 2 }{ 5 } }{ \frac{ 2 }{ 7 } }$

6. anonymous

Do you know how to divide fractions?

7. anonymous

yes

8. anonymous

Go ahead. What do you get?

9. anonymous

1/35

10. anonymous

Not quite. Can you explain how you got that answer?

11. Michele_Laino

hint: unit rate= space/time $\huge \frac{{\frac{2}{5}}}{{\frac{2}{7}}} = ...?$

12. anonymous

7/5

13. anonymous

Excellent. Correct. Now to match the answers given, you have to convert that to a mixed numeral. What do you get?

14. anonymous

1 2/5

15. anonymous

Perfect. So which answer is the correct one?

16. anonymous

A

17. anonymous

i mean C sorry

18. anonymous

Look VERY carefully at the fractions? Are you sure it's A?

19. anonymous

Correct. Good job!

20. anonymous

)Which unit rate is the lowest price per ounce? Choice A: 15 ounces of chocolate chips for $2.49 Choice B: 20 ounces of chocolate chips for$3.32 Choice A Choice B The unit rates are equal. The unit rates cannot be determined.

21. anonymous