A knife is four times the cost of a spoon. 12 spoons and 16 knives cost £105.64
Work out the cost of 1 knife.

Yeah she/ he needs look how long that is man

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?