Find a number whose fifth part inereased by 30 is equal to its fourth part decreased by 30.

1200

Step-by-step explanation:

Let the number be represented by n. The problem statement tells us ...

... n/5 + 30 = n/4 - 30

Multiplying by 20 gives

... 4n +600 = 5n -600

Adding 600-4n gives

... 1200 = n

The number is 1200.

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step-by-step explanation:

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.