260 seats in economy class, 100 in business class The ratio of economy class to business class is 13:5 13+5 = 18 (total seats in the ratio) 360/18 = 20 (to see how many multiples of the ratio there are) 20*13 economy = 260 economy 20*5 business = 100 business
It depends on how many dimes are in the piggy bank. It could be any answer that didn't have a 5 in the tenths place. For example, it couldn't be a number like $1.05 because any whole number multiplied by 10 would end in a 0