Answer:
20 ft
Step-by-step explanation:
It is 20 ft because you use pathagoren therom.
a^2 + b^2 = c^2
If 20 sandwiched are cut into 3rd's that 20*3 which equals 60.
20 * 30 = 60
So, there are 60 sandwich pieces.
Answer:
The dots next to the seven are another way to write multiplication. So, 7 times 7 times 7 times 7 is another way of seven 7 to the fourth power, which equals 2401