calebabaltimore
22.10.2020 •
Mathematics
Benny had 78 dollars to spend on 8 books. After buying them he had 14 dollars. How much did each book cost?
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Ответ:
Book costs $8
Step-by-step explanation:
(78-14)÷8=
64÷8=
8
Ответ:
78-14=64
64/8=8
Step-by-step explanation:
each book cost 8 dollar
Ответ:
9
Step-by-step explanation:
area of a circle = pi times radius^2
254.34= 3.14 X r^2 get rid of 3.14 by dividing both sides by 3.14
254.34/3.14= r^2
81= r^2
find the square root of 81=9