A bag contains 1p, 2p and 5p coins. § of the bag are 1p coins.
There are as many 5p coins as 1p coins in the bag.
There are 640 coins in total.
Work out the number of 2p coins in the bag.

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

The paint recipe also calls for 1/4 cup of food coloring. tyler says mrs.mcglashan will also need 6 cups of food coloring. do u agree or disagree? explain.

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?