Parts of Expressions
Sally is baking a cake. The recipe calls for nine cups of flour and three cups of sugar. She already put in four cups of flour. How many more cups of flour does she need to add ?
3x - 5y + 6 - 2x - y
After paying eight dollars for the pie, Dan has seventy dollars left, his friend has nineteen dollars. How much money did he have before buying the pie ?
3 - 2(4x - 7)
Melanie found 74 seashells and 21 starfishes on the beach. She gave Keith some of her seashells. She has 20 seashell left. How many seashells did she give to Keith ?
The company has large and small ink cartridges in stock. How many ink cartridges can you buy with 255 dollars if one cartridge costs 17 dollars ?