Need help with this math question please!

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

Express -5 2/5 as an improper fraction.

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.