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Alona [7]
4 years ago
11

It takes Tammy 45 minutes to ride her bike 5 miles at this rate how long will it take her to ride 8 Miles

Mathematics
2 answers:
Troyanec [42]4 years ago
6 0
Hello There!

You want to know how long will it take Tammy to ride her bike 8 miles.

                                             Solving

                                [Firstly, divide 45 with 5.]
                                   
                                            0 9
                                         -----------
                                         5 | 4 5
                                          -  0
                                        --------
                                              4 5
                                          -   4 5
                                        --------------
                                                  0

                               45 ÷ 5 ≈ 9 

                              
                               [Secondly, multiply 9 with 8]

                                You can do the 9 trick. 
                                 
                                * Put up 10 fingers in the air

                                * Put the 8th finger down

                                * Count whats in the left and then the right.

                                 7 in the left     2 in the right.

So, 9 × 8 = 72

 Therefore, it takes 72 minuets for Tammy to ride 8 miles.


Hope this helped!                                                                 
galben [10]4 years ago
4 0
D. 72 minutes, Basically i just set up a proportion; 5 over 45, and 8 over blank; and then i did 8 by 45=360, divide 5, which gets me 72. Hope it helped!
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