Ok so first we evalute -2/3*-15 this equals 10
Now we multiply this by 0.25 and add 7, this equals 9.5
Finally we subtract 1/2 which equals 9
(7+0.25(-2/3*-15))-1/2=9
Answer:
There are 12 combinations.
Step-by-step explanation:
Options:
1. Silver or Leather
2. Cat or Dog
3. Basketball, baseball, or soccer
Now we need to multiply the options together, so 2 × 2 × 3 = 12.
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the total speed hour is 115