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PilotLPTM [1.2K]
3 years ago
5

A house painter charges $14 per hour for the first 45 hours he works, time and a half for the 10 hours after that, and double ti

me for all hours after that. How much does he earn for a 80-hour week?
Mathematics
1 answer:
Digiron [165]3 years ago
4 0

Answer: $1,540

Step-by-step explanation:

Given the following amount charged by a worker :

First 45 hours = $14 per hour

time and half for the next 10 hours

Double time for all hours after that:

If he worked for 80 hours :

First 45 hours = (45 × $14) = $630

Next 10 hours:

Time and half for 10 hours is equivalent to (10 × 1.5) = 15 hours

(15 × $14) = $210

Double time for all subsequent hours :

80 - (45 + 10) = 80 - 55 = 25

Double time : (2 × 25) = 50 hours

(50 × 14) = $700

Hence, total amount earned :

($630 + $210 + $700)

= $1,540

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Step-by-step explanation:

Given,

Angle ADC = 118°

According to the question

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=  > 11x + 5x = 121 + 7

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In the question it is mentioned that Angle ADB = (11x - 7)°

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3. Mateus recebe a visita do seu avô Pedro a cada 15 dias. João, o tio dele, o visita a cada 100
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Answer:

Este acontecimento se repetirá 300 dias depois.

Step-by-step explanation:

Quando os eventos se repetirão no mesmo dia?

Cada evento tem uma frequência.

Eles ocorrem simultaneamente a cada x dias, e x é dado pelo MMC(Mínimo Múltiplico Comum) entre as frequência.

Neste problema:

A cada 15 dias o avô visita.

A cada 100 dias o tio visita.

A cada 12 dias vai à praia.

Quantos dias depois este acontecimento se repetirá?​

Os três no mesmo dia vão se repetir após x dias, em que x é dado pelo MMC de 15, 100 e 12

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Fatorando simultâneamente estes valores:

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Este acontecimento se repetirá 300 dias depois.

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