1.the length of a ship model is 3% of the length of the actual ship. the model is 1.5 m long. how long is the actual ship?
2. students at lincoln middle school sell gist wrap to raise money for student activities. the school keeps 40% of sales. how many dollars worth of gift wrap must be sold to make $1,000?

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.