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Answer:
1312.5 minutes
Step-by-step explanation:
For her phone service, Lucy pays a monthly fee of $25, and she pays an additional $0.06 per minute of use. The least she has been charged in a month Is $103.72
What are the possible numbers of minutes she has used her phone in a month?
Use m for the number of minutes, and solve your inequality for m.
The term least = ≥ = greater than or equal to
Our inequality equation is given as:
$25 + $0.06 × m ≥ $103.72
25 + 0.06m ≥ 103.72
0.06m ≥ 103.72 - 25
0.06m≥ 78.75
m ≥ 78.75/0.06
m ≥ 1312.5 minutes
The possible number of minutes she used is 1312.5 minutes
Answer:
360
Step-by-step explanation:
using the definition
n 
= 
where n! = n(n - 1)(n - 2)..... × 3 × 2 × 1
then
6
= 
= 
= 
← cancel 2(1) on numerator / denominator
= 6 × 5 × 4 × 3
= 360
<span>10!/4!*6!=(10*9*8*7*6*5*4*3*2*1)/4*3*2*1*6*5*4*3*2*1
10*9*8*7/4*3*2*1=5040/24=210</span>
A=adult ticket c= children ticket
12c+3a= 162
8c+3a=122
Multiply the second by -1.Add both
And you have
4c=40
Divide both sides by 4
c=10..
The price for 12 children is $120
The price for 3 adults is $162-120= $42
Each adult pays $12
Each child pays $10
