Answer:
The last two, 250+25t and 25(10+t)
Step-by-step explanation:
Answer:
5 1/4
Step-by-step explanation:
47 is equal to .47 and 1000 is equal to 1
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Make it into a simultaneous equation:
5p + 4e = 7.65
4p + 5e = 7.20
Use adding/subtracting formula
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