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100 pennies in a rand
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∙ 10y ago
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What percentage of 5950.00 is 48000?
P over B equals R over 100 => P/B = R/100 => P/5950 = 48000/100 => P = 5950 * 480 = 2856000 Or 59.50 * 48000 = 2856000
How do you find the principal when all you have is the rate the time and the interest?
The answer depends on whether you are dealing with simple interest of compound interest. Suppose P = Principle R = Rate (in % per annum) T = Time (in years) I = Interest Then for simple interest: I = P*R*T/100 so that P = 100*I/(R*T) For compound interest P+I = P*(1+R/100)T so that P = I/[(1+R/100)T - 1]
If p is 50 percent of q and r is 40 percent of q what percent of r is p?
p = 50q/100 = 1/2 q r = 40q/100 = 2/5 q p = (1/2)/(2/5) = (1/2)(5/2) = 5/4 r or 1 1/4 r Thus, p is 125% of r.
How do you work out compound interest?
P{1-r/100}^n _p where p is the principal and r the rate and n the years
How do you calculate principal when amount rate of interest and time is given?
A = P*(1+R/100)T Where A = amount P = Principal R = Interest Rate (in percentage), and T = Time Since R and T are known, you can calculate (1+R/100)T = k, say. Then A = P*k so that P = A/k
Formulas on Percentage Base and Rate?
P=B×RB=P÷RR=P÷B
Suppose you invest 1200 in four years You earned 312 in simple interest What is the interest rate?
6.5%Formula for finding Simple InterestSI [Interest] = (P×R×T)/100P [sum] = (SI×100)/(R×T)R [Rate/year] = (SI×100)/(P×T)T [Time] = (SI×100)/(P×R)whereS.I. = Simple Interest,P = Principal or Sum of amount,R = % Rate per annum,T = Time Span
How do you find when a number is reached due to a percentage of growth?
Suppose you have a variable which grows at r% per period [year] and you want to find out how many periods, t, it will take before it grows, from a starting value of P to reach the value Q.The approximate method used by younger pupils is trial and error. This is because the y do not have the necessary mathematical knowledge.After t periods, the variable in question will have increased from P to Q whereQ = P*(1+r/100)tthen Q/P = (1+r/100)ttaking logarithms, log(Q/P) = log[(1+r/100)t] = t*log(1+r/100)and so finally, t = log(Q/P) / log(1+r/100).
How do you find simple interest rate?
P*r*t divided by 100
If p q and q r then p r. Converse statement B.A syllogism C.Contrapositive statement D.Inverse statement?
Converse: If p r then p q and q rContrapositive: If not p r then not (p q and q r) = If not p r then not p q or not q r Inverse: If not p q and q r then not p r = If not p q or not q r then not p r
What is p equals r-c for c?
p = r - c r - c = p r - c - r = p - r -(-c) = -(p) c = -p
How do you figure out the original price?
Let c= original cost Let p= percent reduced by Let r= cost after reduction Equation: c=p*(100%-r)
