Chapter 4: Q 172. (page 431)
In the following exercises, solve the system of equations.
Short Answer
The solution is .
Chapter 4: Q 172. (page 431)
In the following exercises, solve the system of equations.
The solution is .
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In the following exercise, solve the systems of equations by elimination.
Troy and Lisa were shopping for school supplies. Each purchased different quantities of the same notebook and thumb drive. Troy bought four notebooks and five thumb drives for . Lisa bought two notebooks and three thumb dives for . Find the cost of each notebook and
each thumb drive.
Translate to a system of equations and then solve:
Erin spent minutes on the rowing machine and minutes lifting weights at the gym and burned calories. During her next visit to the gym she spent minutes on the rowing machine and minutes lifting weights and burned calories. How many calories did she burn for each minutes on the rowing machine? How many calories did she burn for each minute of weight lifting?
Translate to a system of equations and solve:
The box office at a movie theater sold tickets for the evening show, and receipts totaled . How many
adult and how many child tickets were sold?
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