19thomasar
03.01.2020 •
Mathematics
If my rent is 2795 a month, i agree to pay 75 more than my roommate how much do i owe and how much does my roommate owe
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Ответ:
The rent owe by me is Rs 1435
The rent owe by roommate is Rs 1360
Step-by-step explanation:
Given as :
The total rent of the room = x = Rs 2795
Let The room rent pay by friend = Rs y
And The room rent pay by me = Rs z
Now, According to question
The room rent pay by me = Rs 75 + room rent pay by roommate
i,e Rs z = Rs 75 + Rs y
Now, Again
The total rent of the room = The room rent pay by me + room rent pay by roommate
Or, x = Rs z + Rs y
Or, Rs 2795 = (Rs 75 + Rs y) + Rs y
Or, 2795 = 75 + 2 y
Or, 2 y = 2795 - 75
Or, 2 y = 2720
∴ y =
i.e y = Rs 1360
So, room rent pay by friend = y = Rs 1360
And,The room rent pay by me = Rs 75 + room rent pay by roommate
Or,The room rent pay by me = Rs 75 + Rs 1360
So,he room rent pay by me = Rs 1435
Hence,The rent owe by me is Rs 1435
And ,The rent owe by roommate is Rs 1360 Answer
Ответ:
Option 2: 178.98 square feet
Step-by-step explanation:
The inner circular garden is surrounded by 3 feet wide path so in order to find the area of the path we have to calculate the area of inner circular garden and the area of garden with the outer wide path.
The radius of inner garden = r_1 = 8 feet
The radius of garden and path combined= r_2= 8+3= 11 feet
Area of inner garden: A_1:
A_1= πr_1^2
= 3.14 * (8)^2
=3.14 * 64
=200.96 square feet
Area of path and garden combined: A_2:
A_2= πr_2^2
= 3.14 * (11)^2
= 3.14 * 121
=379.94 square feet
In order to find the area of the path, we have to subtract the area of inner garden from the area of path and garden combined. That is:
A_2 - A_1
= 379.94 - 200.96
= 178.98 square feet
So the area of the path is 178.98 square feet. Hence, option 2 is the correct answer ..