Let x be the times in hours he mowed the lawn and y the time, in hours, he did chores Then
x + y = 3
also 352x + 136y = 570
From the first equation y = 3 - x, Plug this into second equation:-
352x + 136( 3 - x) = 570
216x = 570 - 136(3) = 162
x = 162/216 = 0.75
so he spent 0.75 hours (or 45 minutes) to mow the lawn.
8: 2.82842712475
75: 8.66025403784
20: 4.472135955
300: 17.3205080757
15: 3.87298334621
Answer:
what there is nothing there
Answer:
The length of a is 3 units
And breadth of a is 1 units
The length of b is 9 units and the Breadth of b is 3 units.
Therefore, Ratio of their sides=1:3.
Therefore, Scale os 1:3