PLEASW HELP WITH 1 and 4 I HAVE DONE THE REST TY!!

Igor stravinsky tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. about 47,000,000 care tires and 26,000,00 truck tires are sold each year in the united states. what is stravinsky's market share in each of these two markets (cars and trucks)?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Me n o w. i need t h i s. 10 points