Answer:
(check the image below)
Step-by-step explanation:
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x = 10, y = 40
Given the 2 equations
y = 4x → (1)
2y + 2.5x = 105 → (2)
Substitute y = 4x into (2)
2(4x) + 2.5x = 105, that is
8x + 2.5x = 105
10.5x = 105 ( divide both sides by 10.5 )
x = 10
Substitute x = 10 into (1)
y = 4x = 4 × 10 = 40
Answer: I dont know
Step-by-step explanation: Your mum
3100.00 * 5.5% (170.50) = 3270.50
Hope this helps!!
