10.5x + 3y = 811.5
x + y = 97
y = 97 - x
3y = 291 - 3x
7.5x + 291 = 811.5
7.5x = 811.5 - 291
x = 520.5 / 7.5
x = 69.4
69 were sold at the original price
Answer: You saved $145
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If you had paid what the ad said, you would have ended up paying $725. However, you actually ended up paying $580.
To find how much you saved, you find the difference between how much you could have paid and how much you actually paid by subtracting $580 from $725:
Answer:
A. 267.95 cm^2
Step-by-step explanation:
4/3 X 3.14 X 4^3 = 267.946 to 2d.p 267.95
8 feet
If 1 inch is 4 feet, multiply 4 times 2, and you will get 8.