Let the original cost of laptop=x
Savings=20% = 20/100
Saved amount = $140
Original cost = saved amount * 1/savings
x = 140* 100/20
x = $7000
Answer:
x = 2 or x = -3
Step-by-step explanation:
Given that ∆ABC ≅ ∆SRT, it follows that their corresponding side lengths are congruent to each other.
Thus:


Solve for x

Subtract 6 from each side


Factorise



x = 2 or x = -3
1,680 inches. Hope this helped.
Answer:
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Step-by-step explanation:
Circumference = πD = π(35) = 109.96 cm
Number of rotations = 2000 ÷ 109.96 = 18 full rotations.
Answer: 18 full rotations