Question

On Tuesday Emily bought four posters,

On Wednesday half of all the posters that
she had were destroyed. On Thursday
there were only 10 left. How many did
she have on Monday?

Answer 1

She had 16 posters on Monday.

Answer 2

Answer: 16 posters

Explanation:

Monday - Had owned 16 posters

Tuesday - Bought 4 posters, adding up to 20

Wednesday - Half of the posters were destroyed, half of 20 is 10

Thursday - 10 posters remained.