How do i solve this using distance formula? please help

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Write the pair of fractions as a pair of fractions with a common denominator