La edad de Martha es el cuádruplo de la edad de Andrés, disminuida en 70. Si la edad de Andrés es 25 años, ¿Qué edad tiene Martha?

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.

ab will be equal to

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then i might be able to .