Question

Keshav owns a Mobile showroom of a popular brand . The number of mobiles sold by the shop can be modelled by the expression N(t) = 7t+25 and the Selling price per mobile is modelled by an expression S(t)= 2t2+25t + 12 where t is the number of months in a year. Find the number of mobiles sold in one and half years​

Answer 1

so if we multiple times 22 we get 098535 ok then subrac