Question

Laura earns $2.90 more per hour than her friend, Jess. Write an equation to show how much Jess earns per hour. Use j to represent her hourly rate.

How much does Jess earn if she works 20 hours

Answer 1

Valid Equation: 2.90x-J
"X" equals how much Laura Makes

Answer 2

Equations are

J=j → (1)

L=$2.90+J=$2.90+j → (2)

Jess earn $20j in 20 hours

Explanation:

Given that Laura earns $2.90 more per hour than her friend, Jess.

we have to write an equation to show Jess earns per hour.

As j represents hourly rate of Jess i.e

Jess earns $j per hour.

∴ J=j → (1)

As Laura earns $2.90 more per hour than her friend, Jess

⇒ L=$2.90+J=$2.90+j → (2)

Eq (1) and (2) are required equation.

we have to find how much Jess earn in 20 hours

Hours=20

∴ In 1 hr Jess earn $j

In 20 hrs Jess earn $ 20j