I will write to explain how to find the rate from the problem provided and write in d=rt.
2 answers:
Rate of change per hour is 15 but per 2 hour is 30 although your form is not a form I know so if you can find the forms name I can put it in form
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Answer:
1. x= - 20/13
2. 7x-21
Step-by-step explanation:
I hope this is correct. I solved it using the addition elimination method. The answer is s= 2, and r= 5. I hope that was helpful.
Answer:
Use distributive property

I'm confused too but that what i got
Answer:
sod- 1662.6
fencing- 807.6
all- 2470.2
Step-by-step explanation:
sod-
25.5 * 8.25 = 207.825
207.825*8= 1662.6
fencing-
8.25+8.25+25.5+25.5= 67.3
67.3*12= 807.6
fencing + sod
1662.6 + 807.6= 2470.2