Question

a woman had 400 oranges in a basket. after selling 1/5 of them, she found that 1/8 of the remainder were bad. how many of the remainder were good?

Answer 1

after selling 1/5, she had 320
1/8 of 320 = 40 were bad, so
280 were good

Answer 2

i need help as to how to work out the problem,

Answer 3

You multiply 400 × 1/5 which gives you 80 you subtract 400-80 which gives you 320. You then multiply 320 × 1/8 which gives you 40 bad ones, you subtract 320- 40 and it gives you 280 good ones.