X+5y=12
5y=12-x
y=(12-x)/5
y=12/5-x/5
The intercept is 12/5
- We know, sum of all angles of a triangle is 180°.
- Therefore, by the problem
72 + 64 + (4x+20) = 180
or, 156 + 4x = 180
or, 4x = 180 - 156
or, 4x = 24
or, x = 24 ÷ 4 = 6
<h3><em>Your </em><em>answer </em><em>is </em><em>6</em><em>.</em></h3>
I do know the bottom one is 2.8
Top is 1.6
I don’t know the middle one
The lowest common multiple of 2 and 7 is 14, so 14 days will pass before he does both chores again.