Write as an algebraic expression and simplify if possible: A number four more than 45% of d.

0.45d + 4

Step-by-step explanation:

45% of d => 0.45d

Then a number 4 more is gonna be 0.45d + 4

For every 9 pieces in Ren's handful of trail mix, there are 2 raisins.

Step-by-step explanation:

Since we have given that

Number of peanuts = 6

Number of raisins = 4

Number of cranberries = 3

Number of chocolates chips = 5

Total = 6+4+3+5=18

If for every 9 pieces in Ren's handful of trail mix, there are 2 say'x'.

According to question,

And we know that there are 4 raisins.

Hence, for every 9 pieces in Ren's handful of trail mix, there are 2 raisins.