i) Plan A: 21/0,12 = 175 <min of calls>
Plan B: 15/0,14 ≈ 107 <min of calls>
=> 2 plans cost the same 107 min of calls
ii) The cost when 2 plans cost the same:
- Plan A: 107 × 0,12 = 12,84$ ≈ 13$
- Plan B: 107 × 0.14 ≈ 15$
Answer: i) 107 ii) A: 13$ B: 15$
22%=.20
50*.20=11
mark=(+) number (adding)
50+11=61
ans:61
hope it help u:)
X-27=-1
x represents unknown number
9x
2
−18x−40
9x square minus 18x minus 40
Answer:
12 minutes
Step-by-step explanation:
my guts are always right
