Use substitution
2x + 3(12 - 5x) = 11
Distributive property
2x + 36 - 15x = 11
Combine like terms
-13x + 36 = 11
Subtract 36
-13x = -25
x = 25/13
y = 12 - 5(25/13)
y = 31/13
Solution: x = 25/13, y = 31/13
Answer:
The fencing would cost a total of $961.33 rounded to the nearest hundredth
Step-by-step explanation:
Circumference: 2πr (r = 18 or 1/2 diameter)
2 × 3.14 × 18 = 113.097336
113.097336 × $8.50 = $961.327356, which rounds up to $961.33
A=4 4 times 12 is 48 minus 24 is 24
B=1.4
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