1two apples in 5 yuan 100 yuan how many can I buy?
Two apples 15 yuan, so an apple 7.5 yuan, how many apples are 100 yuan, that is, 100 divided by 7.5 equals 13.33, because apples are whole and cannot be half, so it is 13. So 15 yuan buys two apples 100 yuan can buy 13 apples.