Step-by-step explanation:
a day =24hrs so 10 days=240hrs
20hrs/240hrs ×100%to get the percentage
20/240×100%=8 1/3
<h2>
There are infinite solution of y.</h2>
Step-by-step explanation:
Given,
y =
- 10x + 25
To find, the total number of solutions = ?
∴ y =
- 10x + 25
⇒ y =
- 2(x)(5) + 
⇒ y = 
There are infinite solution of y.
Thus, there are infinite solution of y.
Answer:
(-3, 2)
Step-by-step explanation:
{3x=7y=5
{5x-2y=-19
solve....
maybe it was 3x + 7y = 5
and 5x - 2y = -19
2*(3x + 7y = 5)
7*(5x - 2y = -19)
-------------
6x + 14y = 10
35x -14y = -133
41x = -123
x = -3
y = ...
5*(-3) - 2y = -19
-15 - 2y = -19
2y = 4
y = 2
(-3, 2)