the cost of old boiler is £775 per year,the new one is £1850 ,the cost of using a new boiler will be 1/5 less than the cost of u
sing the opd boiler. how many years will it take for the savings feom cost of using nthe new boiler to total £1850
1 answer:
Answer:
I think its 12.3 years
Step-by-step explanation:
a fifth of 775 is 155 and 155 x 12.3 = 1850
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