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WARM UP

Subtract the smallest number of set A from the largest number of set A.

Set A =

SPORTS

Suppose a track coach wants to calculate the average speed of each track team member for an event. Transform the formula

d = rt

to find a formula for the average speed r in terms of distance of time.

SPORTS

In 1994, Sevetheda Fynes took first place at the New England Track and Field Championships. Shown at the right, she ran about 200 m in 23.10 s. Find her average speed.

SCIENCE

The formula gives the Celsius temperature, C, in terms of Fahrenheit temperature, F. Transform the formula to find the Fahrenheit temperature in terms of the Celsius temperature.

HISTORY

In 1883, Jan Matzeliger invented the shoe-lasting machine to attach the upper part of a shoe to its sole. Before that, they were sewn by hand. Wageswere calculated by . Transform the formula to find the price of a pair of shoes.

EXAMPLE

Transform the formula to find a formula for time in terms of hourly wage and price.

LITERAL EQUATION

A literal equation is an equation involving two or more variables.

Solve ax + b = c for x in terms of a, b, and c.

HOMEWORK

Pg 177 #5–8 , 14-16