If 7 sandwich rolls cost $1.68, how much will 29 rolls cost?

A triangle is 4 in tall and 3 in wide. If it is enlarged to a height of 8 in, then how wide will it be?

A rectangle is 2 in wide and 4 in tall. If it is enlarged to a width of 8 in, then how tall will it be?

One bunch of seedless black grapes costs $2. How many bunches of seedless black grapes can you buy for $16?

A rectangle is 13 in tall and 5 in wide. If it is enlarged to a height of 117 in, then how wide will it be?

One tub of dried blueberries costs $8.How many tubs of dried blueberries can you buy for $200?

Ms. Ginsberg's second period Journalism class has 30 students. 18 of these students are earning an A or a B. This rate holds true in all of Ms. Ginsberg's classes. If Ms. Ginsberg has 80 students total, how many of these Journalism students are earning an A or a B?

A group of students were asked about their favorite foods. Out of the 50 students surveyed, 30 listed pizza among their favorite foods. At that rate, if 190 students were surveyed, how many would you expect to list pizza as a favorite food?

Krystle is selling magazine subscriptions as part of a school fundraiser. During the first 72 days of the fundraiser Krystle sold 56 subscriptions. If Krystle maintained that rate, how many subscriptions would Krystle sell in a 216-day period?

A wildlife reserve has a population of 70 elephants. A group of researchers trapped 30 elephants and recorded their vital statistics. Of the trapped elephants, 24 were female. If that rate holds true for the entire population of 70 elephants, how many female elephants are on the wildlife reserve?

Emily enlarged the size of a painting to a width of 15 in. What is the new height if it was originally 3 in. wide and 4 in. tall?