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48-2x=96--------- -2x=48--------- x=-24. You multiply everything by 6 then solve.
Answer:
Number of monthly calls = 475
Step-by-step explanation:
Given:
Plan 1 = $30 per month unlimited calls
Plan 2 = $11 + $0.04(per call)
Find:
Number of monthly calls, plan 1 better than plan 2
Computation:
Plan 1 (Cost) < Plan 2 (Cost)
30 < 11 + 0.04(x)
19 < 0.04(x)
475 < (x)
Number of monthly calls = 475
∠A+∠B=∠ACD
So, ∠A=93-31=62°
I think it mean that, right?
