The answer is 104 centimeters squared :)
(The first one)
Answer:
Your answer should be $29.40
Step-by-step explanation:
If you divide 21 by 5 you get 4.2, so each book costs $4.20.
4.2 x 7 = 29.4
Therefore, your total cost for 7 books will be $29.40
I hope this helps!
Answer:
You can use ur ruler the ruler that's in half
Multiplying by 2, the next one would be 160
