10 minutes. You see the dip or the part of the graph where it's lower than the other points? Look at how many minutes went past.
Answer:
Tony's deposit was $800.
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
I is the Final Interest Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
substitute in the formula above
We divide 40 by 1/2:-
40 / 1/2 = 40 * 2/1 = 80 answer
9 1/8
4/8+5/8=9/8=1 1/8
5+3=8
8+1 1/8=9 1/8