An account is monitoring the average rates per hour four employees. Drag the employees in order from the greatest to the least u
nit rate in dollars per hour.
1 answer:
Answer:
Step-by-step explanation:
I think the attached photo below is your full question
And here is my answer:
From the greatest to the least unit rate in dollars per hour
Arianne - F Francois - GGarrick - C Carissa
- Francois: 823.23/42.5 = 19.37
- Carissa : 700/50 = 14
- Garrick: 1247.6/65.5 = 19.04
- Arianne: 1800/70 = 25.7
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Answer:
$21.2
Step-by-step explanation:
From the problem given, we express them as algebra so that we can easily solve;
the total charge on a call greater than 120min is given as;
120x + y(n - 120) = total cost of call
where n is the number of minutes which is greater than 120;
- Ethan paid $26.80 for 175 mins
n = 175min here;
120x + y(175 - 120) = 26.80
120x + 55y = 26.80 ----- (I)
- $32.40 for 210 minutes
n = 210min
120x + y(210 - 120) = 32.4
120x + 90y = 32.4 ----- (II)
Now let us solve both equations for y and x;
120x + 55y = 26.80 ----- (I)
120x + 90y = 32.4 ----- (II)
subtract the two equations;
90y - 55y = 32.4 - 26.8
35y = 5.6
y = = 0.16cents
then x;
120x = 26.8 - 55y from equation I
120x = 26.8 - 55(0.16)
120x = 18
x = = 0.15cents
Find the cost of 140min of talk time;
n =140min;
= 120(0.15) + 0.16(140 - 120)
= 18 + 0.16(20)
= 18 + 3.2
= $21.2