12:7
because you add 7 and 5 and then there is the 7 for the book weight
Answer:
The first step to dividing fractions is to find the reciprocal (reverse the numerator and denominator) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators. Finally, simplify the fractions if needed.
Answer:
317
Step-by-step explanation:
I did this on khan academy
Answer:
Because Point X Will Change After Point Y Changes
Step-by-step explanation: