- AUTO REPAIR A woman paid $29 less to have her
car fixed at a muffler shop than she would have paid
at a gas station. At the gas station, she would have
paid $219. How much did she pay to have her car
fixed?
48. HIT RECORDS The
oldest artist to have a
number one single
was Louis Armstrong,
with the song Hello
Dolly.He was 55
years older than the
youngest artist to
have a number one
single, 12-year-old Jimmy Boyd, with I Saw Mommy
Kissing Santa Claus.How old was Louis Armstrong
when he had the number one song? (Source:The Top
10 of Everything,2000.)
49. COST OVERRUNS Lengthy delays and skyrocketing
costs caused a rapid-transit construction project to
go over budget by a factor of 10. The final audit
showed the project costing $540 million. What was
the initial cost estimate?
50.LOTTO WINNERS The grocery store employees
listed below pooled their money to buy $120 worth
of lottery tickets each week, with the understanding
that they would split the prize equally if they
happened to win. One week they did have the
winning ticket and won $480,000. What was each
employee’s share of the winnings?Sam M. Adler Ronda Pellman Manny Fernando
Lorrie Jenkins Tom Sato Sam Lin
Kiem Nguyen H. R. Kinsella Tejal Neeraj
Virginia Ortiz Libby Sellez Alicia Wen- RENTALS In renting an apartment with two other
friends, Enrique agreed to pay the security deposit of
$100 himself. The three of them agreed to contribute
equally toward the monthly rent. Enrique’s first check
to the apartment owner was for $425. What was the
monthly rent for the apartment? - BOTTLED WATER DELIVERY A truck driver
left the plant carrying 300 bottles of drinking water.
His delivery route consisted of office buildings, each
of which was to receive 3 bottles of water. The driver
returned to the plant at the end of the day with
117 bottles of water on the truck. To how many
office buildings did he deliver? - CONSTRUCTION To get a heavy-equipment
operator’s certificate, 48 hours of on-the-job training
are required. If a woman has completed 24 hours, and
the training sessions last for 6 hours, how many more
sessions must she take to get the certificate?
8.5 Using Equations to Solve Application Problems 687fromCampus to Careers
Broadcasting- For a half-hour time slot on
television, a producer
scheduled 18 minutes more
time for the program than
time for the commercials.
How many minutes of
commercials and how many
minutes of the program were
there in that time slot?
(Hint:How many minutes
are there in a half hour?) - SERVICE STATIONS At a service station, the
underground tank storing regular gas holds 100 gallons
less than the tank storing premium gas. If the total
storage capacity of the tanks is 700 gallons, how much
does the premium gas tank and how much does the
regular gas tank hold?
43.CLASS TIME In a biology course, students spend a
total of 250 minutes in lab and lecture each week.
The lab time is 50 minutes shorter than the lecture
time. How many minutes do the students spend in
lecture and how many minutes do students spend in
lab per week?
44.OCEAN TRAVEL At noon, a passenger ship and
a freighter left a port traveling in opposite
directions. By midnight, the passenger ship was
3 times farther from port than the freighter was.
How far was the freighter and how far was the
passenger ship from port if the distance between
the ships was 84 miles?
45.ANIMAL SHELTERS The number of phone calls
to an animal shelter quadrupled after the evening
news aired a segment explaining the services the
shelter offered. Before the publicity, the shelter
received 8 calls a day. How many calls did the
shelter receive each day after being featured on the
news?
- OPEN HOUSES The attendance at an elementary
school open house was only half of what the principal
had expected. If 120 people visited the school that
evening, how many had she expected to attend? - BUS RIDERS A man had to wait 20 minutes for a bus
today. Three days ago, he had to wait 15 minutes longer
than he did today, because four buses passed by without
stopping. How long did he wait three days ago?
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