1.5 Practice after Notes

What is a verbal model?

• the directions for a word problem

• an equation written in words

• a mathematical equation written in symbols

You are on a boat on the Seine River in France. The boat's speed is 32 km per hour. The River is 764 km long, but on 547 km can be navigated by boat.

Write an algebraic model.

• 764 = 32t

• 32 = 547/764t

• 547 = 32t

• 764 - 547 = 32t

You are on a boat on the Seine River in France. The boat's speed is 32 km per hour. The River is 764 km long, but on 547 km can be navigated by boat. How long will your boat ride take if you travel the navigable portion of the river?

• about 17 hours

• about 24 hours

• about 23 hours

• about 7 hours

You borrowed $529 from your parents to buy a mountain bike. Your parents are not charging you interest, but they want to be repaid as soon as possible. You can afford to repay them $20 per week. How long will it take you to repay your parents?

• 26 weeks

• 26 days

• 27 weeks

• 27 days

You are taking flying lessons to get to a private pilot's license. The cost of the introductory lesson is 5/8 the cost of each additional lesson, which is $80. You have a total of $375 to spend on flying lessons. How many lessons can you afford?

• 4 lesson, including the introductory lesson

• 5 lesson, including the introductory lesson

• 6 lesson, including the introductory lesson

• 7 lesson, including the introductory lesson

You are taking flying lessons to get to a private pilot's license. The cost of the introductory lesson is 5/8 the cost of each additional lesson, which is $80. You have a total of $375 to spend on flying lessons. How much money will you have left after paying for the 5 lessons (including the introductory lesson)?

• none

• $4

• $5

• $85

You are working on a project in woodshop. You have a wooden rod that is 72 inches long. You need to cut the rod so that one piece is 6 inches longer than the other piece. How long should each piece be?

• 32in and 38 inch

• 32 in and 40 in

• 50 in and 22 in

• 33in and 39 inch