Showing posts with label Francesca 8-14. Show all posts
Showing posts with label Francesca 8-14. Show all posts

Monday, December 8, 2014

Tuesday, November 11, 2014

Francesca's Proportion Problems


18. Evarado paid $1.12 for a dozen eggs. Write and solve a proportion to determine the cost of the 3 eggs Evarado needs for a recipe.

Let x be the cost for 3 eggs
Steps: word ratio, ratio table, proportion, find x


The cost of the 3 eggs Evarado needs for a recipe is $0.28.

19. The ratio of an object's weight on Earth to its weight on the Moon is 6:1. The first person to walk on the Moon was Neil Armstrong. He weighed 165 pounds on Earth. How much did he weigh on the moon?

Let x be how much Neil Armstrong weighed on the moon
Steps: word ratio, ratio table, proportion, find x


Neil Armstrong weighed 27.5 pounds on the moon.

20. The ratio of the length of the actual height of a person to the length of their shadow cast is 1:3. At the same time, a lighthouse casts a shadow that is 600 meters long. How tall is the lighthouse?

http://upload.wikimedia.org/wikipedia/commons/5/56/Eierdoosmet10eierengevuld2010.jpg

Tuesday, November 4, 2014

Francesca's Rate Problem

Group Word Problem



If Bob gets 20 apples per milk carton, how much milk carton would he have if he gets 40 apples? 

Unit Rate to Rate Word Problems


Matthew is going out of town for the summer. If he is driving 50 km/h, how long will it take for Matthew to reach 250 km? 

Grace is selling school supplies. For 2 sheets of paper you get a pencil. One of her customers asked if they could buy 76 sheets of paper. How many pencils would that customer get if she buys 76 sheets of paper? 

Rate to Unit Rate Word Problem
Joy goes to the store and finds a 100 mL bottle that costs $9.50. How much will a mL cost her?