1/5 of a foot
Simply subtract the height of Pancho’s sandcastle (3/5 of a foot) minus the height of his sister’s sandcastle (2/5 of a foot) to find a difference of 1/5 of a foot, meaning Pancho’s sandcastle was 1/5 of a foot taller than his sister’s sandcastle.
Answer:
x = -1 / 3
Step-by-step explanation:
100deciliters equals 10 liters
Compound interest:

where

is the amount you start with,

is the interest rate,

is the number of times interest is compounded per year, and

is amount of time that passes.