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ollegr [7]
3 years ago
11

Help me please! someone?

Mathematics
2 answers:
elena55 [62]3 years ago
3 0

Answer:

<em>105 for 3 hours</em>

Step-by-step explanation:

First we have to find that how much he is charged for 1 hour.

140 : 4 = 35 per hour

Then we have to find how much he is charged for 3 hours by multiplying with 3.

3 x 35 = 105 per 3 hours

Alexus [3.1K]3 years ago
3 0

Answer:

£105

Step-by-step explanation:

let y represent the unknown amount

£150 = 4 hrs

y = 3 hrs

we then cross multiply

£150 x 3 hrs = y x 4 hrs

450= 4y

divide both sides by 4

450/4 = 4y/4

105 = y

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Answer:

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6 0
2 years ago
When 18 is added to 6 times a certain number the result is 168. what is the number
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