morgannwaldrupp

08.12.2020 • 

Mathematics

Q5. The table shows the costs, per person, of a holiday at two different hotels.
It shows the cost for 5 nights and the cost for each extra night.
It also shows the discount for each child.
Park Palace
Dubal Grand
Date holiday
starts
5 nights
5 nights
extra
night
5.150
otra
night
86
£95
£1169
01 Jan - 31 Mar
£1229
- 150
£80
4.849
£1219
853
£854
553
£810
1810
01 Apr - 09 Apr
10 Apr - 15 Jul
16 Jul - 20 Aug
21 Aug - 10 Dec
Discount for each child
£80
480
153
£94
£810
£869
/yout
15% off
There are two adults and two children in the Smith family.
The family want a holiday for 7 nights, starting on 1st August
One hotel will be cheaper for them than the other hotel.
Work out the cost of the cheaper holiday.
You must show all your working,

Ответ:

katie18147

20.07.2020

Mathematics

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The unit cost of natural gas, 116y = 96.28
y = 96.28/116
y = $0.83

Substitute it into first equation,
750x + 17(0.83) = 141.61
750x = 141.61 - 14.11
x = 127.5 / 750
x = $0.17

So, Option A is your answer!!

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