There are 6 red marbles and 11 blue marbles in one bag, and 13 red marbles and 9 blue marbles in another bag. What is the ratio of the total number of red marbles to the total number of marbles in both bags?

Sophia makes a white sauce by mixing 3 tablespoons of flour into 2 cups of milk. She continues to use the same ratio to make more batches of white sauce. How many tablespoons of flour should she mix with 18 cups of milk?

Select all the expressions that are equivalent to 27,720÷99.

Mia’s new puppy weighed 3 1/5 pounds at 4 weeks old. At 16 weeks old, the puppy weighed 9 1/7 pounds. By what factor did the puppy’s weight increase during that period?

Andrew drove 456 miles in 8 hours. What was his average driving rate per hour?

Choose the correct quotient for each expression:

Select all the expressions that are equivalent to 10.08.

. Select all the expressions that are equivalent to 34.22 + 17.1.

. What is the value of (11,450÷25)÷8?

Find the base of a triangle if its height is 2 3/4 cm and its area is 12 5/8 cm2.

Alia has 36 1/4 inches of silver chain to make some bracelets. If she needs 7 1/4 inches of the chain to make one bracelet, how many bracelets can Alia make?

Rita is babysitting for extra income. The table shows the relationship between her earnings and the hours that she babysits. Which value is missing from the table?