Peter paid 0.85 tax which is at 7.1% sales tax
Answer:
12.90= .90+ 2x
12=2x
6=x
Each bag of books cost was $6
Answer:
The answer is A) x equals 3
195 is the answer because you replace x with 10
Step-by-step explanation:
825-630=195
Let 
and 
be the number of elves and reindeers, respectively.
We know that:
(so far 14 of them have arrived)
(each reindeer has 4 legs and each elf has two)
If we multiply the first equation by 2 we have 
, and if we subtract this equation from the second we have 
which implies 
.
So, there are 5 reindeers and 9 elves (remember that they have to sum up to 14).
