Moneyman587
14.01.2020 •
Mathematics
2) amreeta and bernard are going on holiday with their 3 children.
the table gives information about the cost of travel and the cost of the hotel.
travel
each adult
£60
each child
£50
hotel
room for 2 adults
£45 per night
room for 3 chidren
£55 per night
amreeta and bernard have saved £1500 for their holiday
they will be away for 7 nights.
work out how much of the £1500 they will have left to spend on their holiday.
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Ответ:
answer:
D
Step-by-step explanation:
Why its D is because you have to plug in x to get y and you can eliminate A and B because what ever you plug in a x number you would get a negative number for y. Then your left with two answers C and D you can start plugging in x values now for 4 for C you get 4.105(4) = 16.42 - 1.560 = 14.86 which is not even close to 3. Now for 4 for D you get 1.560(4) = 6.24 - 4.105 = 2.135 which is the closest answer out of all those equations to 3. To make sure it true if you keep plugging in x values it would give you answers to close to the y values. Hope this helps.