Topic 5.1

Front

What is the equation to find Abi's hourly earnings if she needs $80 for a class trip, already has $22, and can earn the rest by babysitting for 8 hours?

Back

80 = 8h + 22

Front

If Alex feeds his turtle the same amount of food twice a day, how can we express the total food fed to the turtle in a week?

Back

Total food = 2t \cdot 7

Front

What expression represents the total cost for Shawn and his friends to park and enter the NC State fair if parking costs $12 and tickets are $10 per person?

Back

Total cost = 12 + 10p

Front

How do you calculate the daily earnings of a Lyft driver who earns $10/hour and spends $25 on gas each day?

Back

Daily earnings = 10h - 25

Front

What expression describes the monthly cost for AT&T phone service with a $30 monthly fee and a one-time activation fee of $25?

Back

Total cost = 30m + 25

Front

Define a variable and write an equation for a situation where a person earns a fixed amount per hour and has a fixed expense per day.

Back

Let h = hours worked, e = earnings per hour, c = daily cost. Equation: Total earnings = eh - c

Front

What is the formula to calculate the total cost of multiple items if each item costs the same?

Back

Total cost = price per item \cdot number of items

Front

How do you express the total distance traveled if a car travels at a constant speed for a certain number of hours?

Back

Total distance = speed \cdot time

Front

What is the relationship between variables in a linear equation?

Back

A linear equation represents a straight line, showing a constant rate of change between variables.

Front

Define a variable and write an equation for a situation where a person saves a fixed amount of money each week.

Back

Let s = savings per week, w = number of weeks. Equation: Total savings = sw