Answer:
2:3
Step-by-step explanation:
30:45 is the same as 2:3
420÷7=60
20÷7=2,357
Therefore 60 cost 2,357
The total of the parks all together would be $20.75!
9.10
+2.53
————
11.63
Just add the rows from the top to the bottom
Step-by-step explanation:
For a
Let the another angle be x then
x + 51° = 90° {being complementary angles }
x = 90° - 51°
x = 39°
For b
Let the another angle be x then
x + 113° = 180° {being supplementary angles }
x = 180° - 113°
x = 67°