Step-by-step explanation:
Refer to the attachment.
I hope it helps:)
Answer:
6x + 2(−2x + 1) = 22
Step-by-step explanation:
6x + 2(−2x + 1) = 22
This step can be used to solve by substitution method.
If you look at the points, you can find out
Area of the trapezium = 1/2 (40 + 160) x 70
Area of the trapezium = 7000 ft²
One bag of fertilizer = 4000 ft²
Number of bags of fertilizer needed = 7000 ÷ 4000 = 1.75 bags.
Since only full bags of fertilizer can be bought, 2 bags of fertilizer are needed.
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Answer: 2 bags of fertilizer
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Answer:
37.5 hours.
Step-by-step explanation:
750-300=450
450/12= 37.5
Liza needs to work 37.5 hours.
To check work:
37.5*12=450
