mariamakonteh31
04.02.2020 •
Mathematics
The red bus company charges $150 plus $72 per hour to rent a bus. the blue bus company charges $240 plus 54 per hour. for what number of hours would the companies charge the same?
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Ответ:
x = number of hours
1) Red B.C :
150 + 72x .
2) Blue B.C
240 + 54x .
- For What number of hours would the companies charge the same ?
150+72x = 240+54x
72x-54x = 240-150
18x = 90
x = 90/18
x = 5 .
Ответ:
Step-by-step explanation:
Exponents are repeated multiplication of the number itself. So 2^5 power is saying that you are multiplying 2 5 times or 2×2×2×2×2.