Jarek had 75 donuts and cookies. after giving away 1/5 of his donuts and 20 cookies, he had equal number of donuts and cookies. how many donuts did jarek have in the beginning?

In the beginning Jarek had  80 cookies.

Step-by-step explanation:

Number of donuts Jarek had =  75

amount of donuts Jarek gives away =  1/5

amount of Cookies Jarek gives away =20

To Find:

Number of Donuts Jarek had in the beginning = ?

Solution:

Let the number of Donuts Jarek had in the beginning be  x

then

The number of  donuts Jarek has after giving 1/5th of the donuts  = the number of cookies he has after giving away 20 cookies

The number of  donuts Jarek has after giving 1/5th of the donuts

=>

=>

=>

=>

=> 60--------------------------------------------(1)

The number of cookies he has after giving away 20 cookies

=> x - 20-----------------------------------------(2)

Equationg  (1) and (2)

60 = x-20

x = 60 +20

x = 80

answer: the answer is 40.82

step-by-step explanation: 3.14 x 13(or half of 26) to the power of 2

x/3-10=8

x/3=18

x=48