A grocery store sells tangerines in 1/2 pound bags. A customer bought 3 1/2 pounds of tangerines for a school party. How many bags did she buy?

Write a multiplication or division equation to represent the situation

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.