Answer:
90
Step-by-step explanation:
Answer:
triangle
Step-by-step explanation:
Answer:
pieces
Step-by-step explanation:
Suppose you have a 7 feet long wood.
You need to find how many
-foot pieces can be cut from this wood.
To find this number of pieces, you have to divide the whole length of the wood by the length of one piece:

Answer:14
Step-by-step explanation:
Answer:
no
Step-by-step explanation:
at firth hr - 15×2=
2 nd hr - 60×2
and so on,it takes more than 8 hr