Answer:
whichever of these formats you need its the same answer (16/6) or 2.66666 or (2 and 2/3rds)
Step-by-step explanation:
replace smaller variable with x for example
(x) + (5x-1) = 17
6x-1=17
6x=16
x=(16/6 or 2.666666 or 2and2/3)
equilateral
Step-by-step explanation:
all of the side lengths are the same along with the angles
Subtract original amount from new amount:
84 - 39 = 45
He bought 45 books.
The answer is 93 to 31 :)
