David has a collection of computer games. last year, he had 400 cds in his collection and this year he has 125% as many cds as he had last year. how many cds does he have now?

europa2433

europa2433

step-by-step explanation:

b. 18

step-by-step explanation:

so the equation for this is:

ab^2=ac⋅ad

ab being the top length of 6 and ac being the length of 2 and ad being the length of x. let's plug into the equation:

6^2 = 2x

now lets just solve for x:

36 = 2x

18 = x

i hope that !