Answer:
4%
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
solve for r
Convert to percent
Round to the nearest whole percent
4%
From the cars parked in the lot he will earn (40)($10)=$400, but he will need to pay $50 for the rent. Thus his total $ earned will be $400-$50=$350.
Exponents can make the problem smaller and look less confusing. If you see a problem with 5*5*5*5*5*5*5*5 then you're going to eventually loose count and will have to keep repeating. But if you put 5 to the 8th power then you know right away just to multiply 5, (8) times,
Answer:
no solution
Step-by-step explanation:
1.4-5-2-3=7-6
2.-1-2-3=7-6
3.-3-3=7-6
4.-6=7-6
5.-6=1
6.since -6=1 is false, there's no solution
