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How can you determine the total cost of an item including tax?
There are two equivalent way. Suppose the item costs C units (of whatever currency), and suppose the tax rate is R %. You calculate the total tax = C*R/100 currency units so total costs = C + C*R/100 Alternatively, you calculate the tax multiplier, = (1 + R/100) and then the total cost is C*(1 + R/100). It is simple to show the two arrive at the same answer.
A ditloid puzzle what does 100 r you a c mean?
100 Runs in a Century
What does 100 r in a c mean?
100 coins in a row or 100 cents in a rand or 100 cubits in a rood.
100 C in a R?
100 C in a R stands for 100 Centimeters in a Meter. This is a common conversion in the metric system where there are 100 centimeters in 1 meter. This conversion is used in everyday measurements of length and distance.
What is the simple interest expressions?
The amount of interest earned on an investment of C, for y years at r per cent is C*y*r/100.
A sum of money becomes Rs 4000 after three years and Rs 8000 after six years on compound interest The sum is .....?
Rs 2000. The amount a after n years of an amount c with interest rate r % is: a = c(1 + r/100)^n After 3 & 6 years of the question there is: Rs 4000 = c(1 + r/100)^3 Rs 8000 = c(1 + r/100)^6 Dividing the second by the first gives: Rs 8000 ÷ Rs 4000 = (c(1 + r/100)^6) ÷ (c(1 + r/100)^3) → 2 = (1 + r/100)^3 Using the first equation and substituting for (1 + r/100)^3 found above: Rs 4000 = c(1 + r/100)^3 = 2c → c = Rs 2000 Alternatively: As it is compound interest, the saved interest also attracts interest; the amount doubles in the 3 years from year 3 to year 6, so it doubles every 3 years. Therefore initially it must be half the value at 3 years → it is ½ × Rs 4000 = Rs 2000.
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)
What is p equals r-c for c?
p = r - c r - c = p r - c - r = p - r -(-c) = -(p) c = -p
How simple interest is calculated for deposits?
The simple interest, I, on a deposit of C, at an interest rate of r% per year, deposited for y years, is calculated as I = C*(r/100)*y
How do solve simple interest rate math problems?
If an amount C is invested for n years with an interest rate of r%, then the amount of interest earned is C*n*r/100
What freezing point of r12 in Celsius?
The freezing point of R-12 ( Dichlorodifluoromethane, a form of Freon) is −157.7 °C.
What is 100c 1!?
The expression "100c 1!" refers to the combination of 100 items taken 1 at a time, denoted as "100 choose 1". This can be calculated using the formula for combinations: ( C(n, r) = \frac{n!}{r!(n-r)!} ). For 100 choose 1, it simplifies to ( \frac{100!}{1! \cdot (100-1)!} = \frac{100}{1} = 100 ). Thus, 100c 1! equals 100.
