Question

A knife and fork cost €2.40.the knife costs two euros more than the fork how much is the fork

Answer 1

f = € 0.20

k = € 2.20

Explanation:

k + f = 2.40

k = 2 + f

(2 + f) + f = 2.40

2f = 2.40 - 2

2f = 0.40

f = € 0.20

k = 2 + 0.20 = € 2.20