The mean of 10 number is subtracted from every number, what willbe the new mean

The difference btween maximum possible final reading and the lowest intial reading is

105,200,505 find the lcm by finding their common multiples​

One kilogram of tea and 4 kg of sugar together cost rs220. if the price of sugar increases by 50% and the price of tea increases by 10%,the cost would be rs226.find the original cost per kilogram each.