I really Need help FRFR

489

Step-by-step explanation:

She uses 489 tiles because you multiply 163 by 3 to get how many tiles she uses in her third design. :) Hope this helps!!

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

1 x=22.52

2: 65/39=604+39x

65x-39x=604

26x=604

x=604/26

×=23.23