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Ratling [72]
3 years ago
8

leroy earns $11.75 per hour working at a coffee shop. on friday, he spent 3 1/2 hours working at the counter, 2 1/2 hours at the

drive through window and 2 hours cleaning. what were leroy's total earnings for friday?
Mathematics
2 answers:
In-s [12.5K]3 years ago
5 0
We can multiply Leroy's hourly wage by the total number of hours he worked. On Friday, Leroy spent a total of (3 1/2 + 2 1/2) hours = 6 hours working. If he earns $11.75 in 1 hour, multiplying this by 6 gives $70.50, so this is the total amount he earned on Friday.
Arturiano [62]3 years ago
5 0
Answer: $94.0

Explanation:

1) The total earnings equal the number of hours worked times the rate per hour:

earnings = numer of hours * rate

2) The rate is $11.75 / h

3) The numbers of hours worked was:

3 \frac{1}{2} +2 \frac{1}{2} +2=3+ \frac{1}{2} +2+ \frac{1}{2} +2=8

4) Final calculation: rate * number of hours

$ 11.75 / h * 8 h = $94.0

Answer: $94.0
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Given : Confidence level : (1-\alpha)=0.90

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