Doubling time growth model formula
P (t) = Po (2)d
Increasing rate at the end of n time formula
Pn = P(1+r)n
Compound interest formula
A = P(1 + r/m ) mr
Half life decay model formula
A(t) = A0 (1/2) t/h
Decreasing rate at the end of n time formula
Pn = P(1 - r )n
An amount of P500,000 is invested for 10 years at 7%, find the interest.
Php 350,000
An amount of P500,000 is invested for 10 years at 7%, find the maturity value.
interest = Php 350,000
Php 850,000
What is the initial deposit of Mr. Aaron Obra if his money reached to P50,000 with 10% interest rate for 5 years?
= Php 33333.33
Mr. Oliver Sullano invested P50,000 which accumulated to 55,500 after a year. Find the simple interest rate.
= 3.67%
Find the maturity value if If p=12,500, t=2yrs, r= 30%, and it is compounded semi-annually
Php 22,002.50
Mark puts Php10 580 in his savings account paying 10% interest compounded monthly. At this rate, how much will be his money after 10 years?
Php 28, 640. 50
Find the interest earned after 5 years 800,000 is deposited in a savings account which earns 10% simple interest
400,000
A culture of 42 bacteria in a petri dish doubles every 2 hours. How many bacteria will be there after a day?
172,023 bacteria
How long will it take Garen to triple his money worth Php300,000 at 10% compounded annually?
11.53 years
A substance of 100 grams decreases its weight by 1/8 of its weight every minute. How heavy will it be after eight (8) minutes.
34.36 grams
determine the value of Log3 81
4
Write ( 1/3 ) -2 in logarithmic form
Log 1/3 9= -2
Determine the value of Log2 1/8
-3
Solve for x , log x + log 5 = 2
x = 2
Log3 4√ 27/3 = x
-1/4