Answer:


Step-by-step explanation:





Answer:

Step-by-step explanation:
To solve this problem we need to write the mixed fraction as a fractional number, as follows:


Then, evaluating the expression:
×
=
= 
Answer:
Step-by-step explanation:
area=4×22/7×14²=4×22×28=2464 units²
You multiply 86 by 42.5 because each board is 42.5 and there are 86 boards.
Answer:
Step-by-step explanation:
5098