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3 years ago

13

Mia and Holly can clean their room in 20 min, working together. Mia, working alone, can do the job in 30 min. How many minutes w

ill it take holly to clean their room, working alone?

1 answer:

Simora [160]3 years ago

3 0

Answer: 30 i do believe

Step-by-step explanation: Since Mia can do it in 30 minutes i think you need to add 10 to 20 to get 30. If im wrong choose 10

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Answer:

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Step-by-step explanation:

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3 years ago

The ratio of money in Terry's bank account to Faye's bank account was 3:7. Terry then put £220 in his account and Faye withdrew

Nesterboy [21]

Answer:

£910

Step-by-step explanation:

let 3x and 7x be the initial amounts in their accounts, then after alterations

Terry has 3x + 220

Faye has 7x - 300

After these changes the amounts are equal, hence

7x - 300 = 3x + 220 ( subtract 3x from both sides )

4x - 300 = 220 ( add 300 to both sides )

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Answer:

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Step-by-step explanation:

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