A box contains 84 chocolates, of which 63 are dark chocolate. The rest are milk chocolates. What is the ratio of milk chocolates to the total number of chocolates in the box?

no.of milk chocolates:no. of total chocolate

1 : 4

Step-by-step explanation:

firstly we can take ratio as 21:84 Then, we can simplidy it dividing by 4 as following way,

21 : 84

4 4

then we can get 1 : 4 as the answer.

x-150=475   x=625

step-by-step explanation:

if the bike after the sale ($150) is $475 then just simply add 150 to 475.

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours