6x2=12
12x4=48
This seems to obvious, so it may be wrong!
Well first you have to divide 620/20 which is 31. So his car goes 31 miles per gallon so you have 2 gallons and .25 of a gallon. So first off 2*31=62 miles then the 1/4 or .25. Multiply the 31 by .25 which is 7.75 now add 62 and 7.75 and you get how far his car can go.
62+7.75=69.75 miles
Answer: 7.625 pounds.
Step-by-step explanation:
Given: The weight of Alexandra's backpack =
e the given weight is in mixed fraction.
To convert it into decimal ,first we need to convert it into improper fraction.
Thus, 
Now, convert the improper fraction into decimal, by dividing numerator by denominator, we get

Hence, the weight of her backpack in decimal = 7.625 pounds.
Answer:
A
Step-by-step explanation:
If you simplify you get -45=75 and that’s not true.