Answer:
75720cm or 757.2m
Step-by-step explanation:
300m = 30000cm
78m & 60cm=7860cm
perimeter of rectangle = 2(length) + 2(width)
2(30000) + 2(7860) = 75720cm or 757.2m
It can help you by showing you what you do more simplified. For example 3(x+5) is 3 time x + 3 times 5
4^x+3 (the x + 3 is included in the power). That's just another way that you could write that.
When Dave walks three dogs he will earn a net profit of 40 dollars.
