A group needed 50 kg of flour to bake cookies for a bake sale. They had 14 kg of flour already. Write an equation involving negative integers that you could solve to figure out how much more flour they need.
Answers
Men’s Open Cosmas Ndeti 1994 2.121
Women’s Open Margaret Okayo 2002 2.345
Men’s Wheelchair Ernst Van Dyk 2004 1.305
Women’s
Wheelchair Jean Driscoll 1994 1.523
1. The Boston Marathon is 26.2 miles.
Use the times shown in the table to
calculate the miles per hour for each
division winner. Round to the nearest
thousandth.
2. To the nearest hundredth, how many
times greater was the men’s open time
than the women’s wheelchair time?
3. DRIVING The Martinez family drove
48.7 miles to the river. It took them
1.2 hours to get there. How fast did
they drive? Round to the nearest whole
number.
4. SHOPPING Nikki is buying some
refrigerator magnets for her friends.
Her total bill is $16.80. If magnets are
$0.80 each, how many magnets is she
buying?
5. SCALE MODEL Matt is making a scale
model of a building. The model is
3.4 feet tall. The actual building is
41.48 feet tall. How many times
smaller is the model than the actual
building?
6. COOKING Yori has 14.25 cups of
cupcake batter. If each cupcake uses
0.75 cup of batter, how many cupcakes
can Yori make?
019_028_CRM03_881033 12/23/07 10:15 PM Page 27 epg ju104:MHGL149:Quark%0:Word Problem%:Application file%0:Course 1:Chapter 03:
1. FOOD Anoki is selling cotton candy at
the school carnival. The machine holds
enough for 16 cotton candy treats. If he
needs to refill the machine every 30
minutes, how many cotton candy treats
can he expect to sell in 3 hours?
3. AGES Ava’s mother is 3 times as old as
Ava. Her grandmother is twice as old as
Ava’s mother. The sum of their three
ages is 120. How old is Ava, her mother,
and her grandmother?
5. FOOD Keegan stopped by the deli for
his mom. If he has $14, does he have
enough money to buy 1 pound of turkey,
1 pound of roast beef, and 1 pound of
ham? Explain.
2. ZOOS The table shows the admission
price to a local zoo.
The Jung family is buying 2 adult
tickets, 2 student tickets, and 1 child’s
ticket. How much will it cost the Jung
family for admission to the
zoo?
4. PURSES A department store sells three
different styles of purses made by a
certain designer. Each style comes in
navy, black, or pink. How many
different purses are available by this
designer at the department store?
6. PATTERNS Draw the next two figures in
the pattern shown below.