The cost of staying in a hotel is given by the formula C=50d+20, where C is the cost in £ and d is the number of days a person s
tays. Find the cost of staying for:
a) 6 days
b) 2 weeks
c) If the cost is 120 then how many days the person can stay
1 answer:
Answer:
a) £320
b) £720
c) 2 days
Step-by-step explanation:
The question is all about inputting values and finding a result or rearranging and finding a result.
a) d = 6. C = 50(6)+20 = 320
b) d = 2x7 (7 days a week) C = 50(2x7) + 20 = 720
c) C = 120 ... 120 = 50d+20
100 =50d d = 100/50 = 2
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Step-by-step explanation:
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Hope I helped!
Let me know if you need anything else!
~ Zoe
