Homework 5.6 day 2

SWIMMING: The table gives the number of laps Pragitha swam each week. Write an expression for the total number of laps she swam over all four weeks.

GEOMETRY: Write an expression for the perimeter of this pentagon. If the perimeter is 157 units, find x.

BEDROOM: Write an expression for the perimeter of the bedroom shown below.

• 6x+2

• 3x+7

• 3x+1

• 24x

HOCKEY: The table shows the number of goals scored during each game. Write an expression for the total number of goals scored in these 3 games.

An airline charges $(2x + 20) for a ticket, $(x + 1) to check a bag, $2x for food, and $(15x - 16) to upgrade to first class. Write an expression to represent the total cost of flying first class, checking a bag, and buying food on the plane.

Loy paid $(4x + 7) for a beef roast and $(2x - 5) for five pounds of potatoes. Write an expression for the total amount he spent on food.