Equations
5x + 2 = 17
x=3
x + 5 < 7
Solve and Graph
x<2
Joseph has a job walking dogs and gets paid per dog. He needs to walk 45 dogs to earn enough money to pay for his soccer team fees. If each walk takes the same amount of time, and he can walk 3 dogs in 1 hour and 30 minutes, how long will it take him to walk 45 dog?
22.5 hours, 22 hours 30 min
A taxi service charges $1.50 plus $0.60 per
mile for a trip to the airport. The total charge is
$13.50. Determine how many miles it is to the
airport.
Gabe went to the amusement park with $40 to
spend. His ticket cost $26.50. Determine how
much Gabe can spend on souvenirs and snacks.
Then interpret the solution.
The most he can spend is $13.50
Are they Equivalent? A salad dressing calls for 3 parts oil and 1 part vinegar. Manuela uses 2 tablespoons of vinegar and 6 tablespoons of oil to make her salad dressing
yes both are 3:1 ratio
10(x – 5) = –80
x= -3
3x > 12
Solve and Graph
x > 4
Rocko paid $12.50 for 25 game tickets. Louisa paid $17.50 for 35 game tickets. The cost of a game ticket is proportional to the number of tickets. What is the constant of proportionality?
0.50
Pete is making 8 identical fruit baskets as gifts
using a total of 168 apples and oranges to
make the baskets. Each basket contains some
apples and 12 oranges. Determine the number
of apples that are in each basket
9 apples
x/ -5 > - 3
Solve and Graph
x < 15
Mila is preparing to travel from the United
States to Belgium, a member of the European
Union, and wants to exchange $80 USD to
euros. She finds that the current exchange
rate is €0.85 EUR to $1 USD. If Mila exchanges
$80 USD, how much money will she receive in
euros?
68 euro
Javier bought 3 equal-sized bags of balloons
for a party. He used 8 balloons from each bag.
Determine how many balloons were originally
in each bag if there were 21 balloons left over
15 balloons
Becky wants to buy some fish for her aquarium. She has $20 to spend, and the fish cost $2.50 each. Determine how many fish Becky can afford. Then interpret the solution
Becky can buy at most 8 fish
For every three girls taking classes at a martial
arts school, there are 4 boys who are taking
classes. If there are 236 boys taking classes,
predict the number of girls taking classes at
the school.
177 girls