frabbypattyy
frabbypattyy frabbypattyy
  • 21-08-2020
  • Mathematics
contestada

Tammy drove 715 miles in 11 hours. at the same rate, how long would it take her to drive 845 miles?

Respuesta :

Ace248 Ace248
  • 22-08-2020

Answer:

Step-by-step explanation:

So we have direct proportions here.

So

715=11

845=x

845*11/715

x=13

To check our work.

715/11=65

65*13=845.

Basically, in this formula, you use cross multiplication. So A*B=B*A. B and B go together and A and A go together/

So we can use the formula x = b*b/a. Since A is one of the A's and the other value of A is missing, we can use this formula to find it.

Hope this helped, ask me if you have any questions.

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